General
Easy
Maths-

If Sin space open parentheses fraction numerator pi Cot space theta over denominator 4 end fraction close parentheses equals Cos space open parentheses fraction numerator pi Tan space theta over denominator 4 end fraction close parentheses and theta is in the first quadrant then theta =....

Maths-General

  1. pi over 2
  2. pi over 6
  3. pi over 3
  4. pi over 4

    Answer:The correct answer is: pi over 4

    Book A Free Demo

    +91

    Grade*

    Related Questions to study

    General
    maths-

    If 3 Tan to the power of 4 space alpha minus 10 Tan squared space alpha plus 3 equals 0 then principal values of ' alpha ' are

    If 3 Tan to the power of 4 space alpha minus 10 Tan squared space alpha plus 3 equals 0 then principal values of ' alpha ' are

    maths-General
    General
    maths-

    If Tan squared space theta equals square root of 3 plus left parenthesis square root of 3 minus 1 right parenthesis Tan space theta and theta lies in open parentheses negative pi over 2 comma pi over 2 close parentheses then theta =

    If Tan squared space theta equals square root of 3 plus left parenthesis square root of 3 minus 1 right parenthesis Tan space theta and theta lies in open parentheses negative pi over 2 comma pi over 2 close parentheses then theta =

    maths-General
    General
    maths-

    If Tan space theta plus Sec space theta equals square root of 3, then he principal value of open parentheses theta plus pi over 6 close parentheses is

    If Tan space theta plus Sec space theta equals square root of 3, then he principal value of open parentheses theta plus pi over 6 close parentheses is

    maths-General
    General
    maths-

    In a straight triangle A B C comma sin to the power of 4 invisible function application A plus sin to the power of 4 invisible function application B plus sin to the power of 4 invisible function application C equals

    In a straight triangle A B C comma sin to the power of 4 invisible function application A plus sin to the power of 4 invisible function application B plus sin to the power of 4 invisible function application C equals

    maths-General
    General
    maths-

    If 4 cos squared space theta equals 3 text  then  end text theta equals negative midline horizontal ellipsis minus negative

    If 4 cos squared space theta equals 3 text  then  end text theta equals negative midline horizontal ellipsis minus negative

    maths-General
    General
    maths-

    The value of sum from k equals 1 to 100 of   sin space left parenthesis k x right parenthesis cos space left parenthesis 101 minus k right parenthesis x is equal to

    The value of sum from k equals 1 to 100 of   sin space left parenthesis k x right parenthesis cos space left parenthesis 101 minus k right parenthesis x is equal to

    maths-General
    General
    maths-

    If alpha comma beta comma gamma text  are acute angles and  end text cos text end text theta equals sin space beta divided by sin space alpha comma cos space ϕ equals sin space gamma divided by sin invisible function application alpha and cos space left parenthesis theta minus ϕ right parenthesis equals sin space beta sin space gamma then the value of tan squared space alpha minus tan squared space beta minus tan squared space gamma is equal to

    If alpha comma beta comma gamma text  are acute angles and  end text cos text end text theta equals sin space beta divided by sin space alpha comma cos space ϕ equals sin space gamma divided by sin invisible function application alpha and cos space left parenthesis theta minus ϕ right parenthesis equals sin space beta sin space gamma then the value of tan squared space alpha minus tan squared space beta minus tan squared space gamma is equal to

    maths-General
    General
    maths-

    Ifx sin space a plus y sin space 2 a plus z sin space 3 a equals sin space 4 a x sin space b plus y sin space 2 b plus z sin space 3 b equals sin space 4 b comma x sin space c plus y sin space 2 c plus z sin space 3 c equals sin space 4 c Then the roots of the equation t cubed minus open parentheses z over 2 close parentheses t squared minus open parentheses fraction numerator y plus z over denominator 4 end fraction close parentheses t plus open parentheses fraction numerator z minus x over denominator 8 end fraction close parentheses equals 0 comma a comma b comma c not equal to n pi are

    Ifx sin space a plus y sin space 2 a plus z sin space 3 a equals sin space 4 a x sin space b plus y sin space 2 b plus z sin space 3 b equals sin space 4 b comma x sin space c plus y sin space 2 c plus z sin space 3 c equals sin space 4 c Then the roots of the equation t cubed minus open parentheses z over 2 close parentheses t squared minus open parentheses fraction numerator y plus z over denominator 4 end fraction close parentheses t plus open parentheses fraction numerator z minus x over denominator 8 end fraction close parentheses equals 0 comma a comma b comma c not equal to n pi are

    maths-General
    General
    maths-

    If equals fraction numerator 2 pi over denominator 7 end fraction,then tan alpha tan invisible function application 2 alpha plus tan invisible function application 2 alpha tan invisible function application 4 alpha plus tan invisible function application 4 alpha tan invisible function application alpha equals

    If equals fraction numerator 2 pi over denominator 7 end fraction,then tan alpha tan invisible function application 2 alpha plus tan invisible function application 2 alpha tan invisible function application 4 alpha plus tan invisible function application 4 alpha tan invisible function application alpha equals

    maths-General
    General
    maths-

    If the mapping f left parenthesis x right parenthesis equals a x plus b comma a less than 0 maps [-1,1] onto [0,2] then for all values of thetaA equals cos squared space theta plus sin to the power of 4 space theta is such that

    If the mapping f left parenthesis x right parenthesis equals a x plus b comma a less than 0 maps [-1,1] onto [0,2] then for all values of thetaA equals cos squared space theta plus sin to the power of 4 space theta is such that

    maths-General
    General
    physics-

    A reflecting surface is represented by the equation x to the power of 2 end exponent plus y to the power of 2 end exponent equals a to the power of 2 end exponent. A ray travelling in negative x-direction is directed towards positive y-direction after reflection from the surface at point P. Then co-ordinates of point P are

    A reflecting surface is represented by the equation x to the power of 2 end exponent plus y to the power of 2 end exponent equals a to the power of 2 end exponent. A ray travelling in negative x-direction is directed towards positive y-direction after reflection from the surface at point P. Then co-ordinates of point P are

    physics-General
    General
    maths-

    If fraction numerator sec to the power of 8 space theta over denominator a end fraction plus fraction numerator tan to the power of 8 begin display style space end style theta over denominator b end fraction equals fraction numerator 1 over denominator a plus b end fraction then

    If fraction numerator sec to the power of 8 space theta over denominator a end fraction plus fraction numerator tan to the power of 8 begin display style space end style theta over denominator b end fraction equals fraction numerator 1 over denominator a plus b end fraction then

    maths-General
    General
    physics-

    A ray of light travels in the way as shown in the figure. After passing through water, the ray grazes along the water air interface. The value of mg interms of ‘i’ is open parentheses mu subscript w end subscript equals 4 divided by 3 close parentheses

    A ray of light travels in the way as shown in the figure. After passing through water, the ray grazes along the water air interface. The value of mg interms of ‘i’ is open parentheses mu subscript w end subscript equals 4 divided by 3 close parentheses

    physics-General
    General
    physics-

    A plane mirror is placed at the bottom of a tank containing a liquid of refractive index m . P is a small object at a height h above the mirror. An observer O, vertically above P, outside the liquid, observes P and its image in the mirror. The apparent distance between these two will be

    A plane mirror is placed at the bottom of a tank containing a liquid of refractive index m . P is a small object at a height h above the mirror. An observer O, vertically above P, outside the liquid, observes P and its image in the mirror. The apparent distance between these two will be

    physics-General
    General
    physics-

    A cubic container is filled with a liquid whose refractive index increases linearly from top to bottom. Which of the following represents the path of a ray of light inside the liquid?

    A cubic container is filled with a liquid whose refractive index increases linearly from top to bottom. Which of the following represents the path of a ray of light inside the liquid?

    physics-General