Maths-
General
Easy
Question
If 
Hint:
In this question, we have to find the value of
, if it is given that
. First we will find the value of any trigonometric function using the given equation, for this question we will find the value of either sine or cosine function. Later we will substitute the value of the derived function to find the other required function and later solve it to get the value of required function.
The correct answer is: 
Related Questions to study
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and the equation
has at least one solution then the value of (a+b)
and the equation
has at least one solution then the value of (a+b)
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Correct order for stability of carbocation is

Correct order for stability of carbocation is

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If 
If 
maths-General
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For all values of
, the values of
lie in the interval
For all values of
, the values of
lie in the interval
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does not exist Extreme Values; 
does not exist Extreme Values; 
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The minimum and maximum values of
are
The minimum and maximum values of
are
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The minimum and maximum values of
are
The minimum and maximum values of
are
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physics-
A piston fitted in cylindrical pipe is pulled as shown in the figure. A tuning fork is sounded at open end and loudest sound is heard at open length 13cm, 41 cm and 69 cm, the frequency of tuning fork if velocity of sound is
is

A piston fitted in cylindrical pipe is pulled as shown in the figure. A tuning fork is sounded at open end and loudest sound is heard at open length 13cm, 41 cm and 69 cm, the frequency of tuning fork if velocity of sound is
is

physics-General
physics-
In a sine wave, position of different particles at time
is shown in figure. The equation for this wave travelling along positive
can be

In a sine wave, position of different particles at time
is shown in figure. The equation for this wave travelling along positive
can be

physics-General
Maths-
The function 
is
The function 
is
Maths-General