General
Easy
Maths-

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

Maths-General

  1. pi over 4 comma fraction numerator 3 pi over denominator 4 end fraction
  2. plus-or-minus pi over 2
  3. pi over 3 comma fraction numerator 2 pi over denominator 3 end fraction
  4. pi over 6 comma fraction numerator 5 pi over denominator 6 end fraction

    Answer:The correct answer is: pi over 6 comma fraction numerator 5 pi over denominator 6 end fraction

    Book A Free Demo

    +91

    Grade*

    Related Questions to study

    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 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-

    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-

    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-

    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 =....

    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
    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-

    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
    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
    maths-

    The sum of the series, sin space theta sec space 3 theta plus sin space 3 theta sec space 3 squared theta plus sin space 3 squared theta sec space 3 cubed theta plus times timesupto n terms, is

    The sum of the series, sin space theta sec space 3 theta plus sin space 3 theta sec space 3 squared theta plus sin space 3 squared theta sec space 3 cubed theta plus times timesupto n terms, is

    maths-General
    General
    maths-

    In a triangle ABC

    In a triangle ABC

    maths-General
    General
    maths-

    The value of sum from n equals 1 to straight infinity of   fraction numerator tan begin display style space end style open parentheses theta over 2 to the power of n close parentheses over denominator 2 to the power of n minus 1 end exponent cos space theta over 2 to the power of n minus 1 end exponent end fraction is

    The value of sum from n equals 1 to straight infinity of   fraction numerator tan begin display style space end style open parentheses theta over 2 to the power of n close parentheses over denominator 2 to the power of n minus 1 end exponent cos space theta over 2 to the power of n minus 1 end exponent end fraction is

    maths-General
    General
    maths-

    If the equation cot to the power of 4 space x minus 2 cos space e c squared x plus a squared =0 has at least one solution, then the sum of all possible integral values of 'a' is equal to

    If the equation cot to the power of 4 space x minus 2 cos space e c squared x plus a squared =0 has at least one solution, then the sum of all possible integral values of 'a' is equal to

    maths-General