यदि theta=45^(@) हो, तो cos^(2) theta- ...

यदि `theta=45^(@)` हो, तो `cos^(2) theta- sin^(2) theta` का मान होगा|

A

0

B

`-(1)/(2)`

C

`(1)/(2)`

D

1

लिखित उत्तर

Verified by Experts

The correct Answer is:

A

Promotional Banner

Promotional Banner

Recommended Questions

यदि theta=45^(@) हो, तो cos^(2) theta- sin^(2) theta का मान होगा|
Text Solution
|
यदि sin theta =1/2 तथा theta एक अधिक कोण है , तो cottheta का मान होगा
Text Solution
|
यदि f(theta) = 2( sec^2 theta + cos^2 theta) है, तो इसका मान सदैव हो...
Text Solution
|
What is the value of [2 sin (45 +theta) sin (45 -theta)]//cos 2 theta?...
Text Solution
|
If tan^4 theta+ tan^2 theta=1 then the value of cos^4 theta+cos^2 thet...
Text Solution
|
If sin 5 theta^@=cos 20^@ (0^@ यदि sin 5 theta^@=cos 20^@ (0^@< theta ...
Text Solution
|
If cos^2 theta-3 cos theta+2=sin^2 theta , 0^@< theta< 90^@, then the ...
Text Solution
|
If sin theta=4 cos theta, then what is the value of sin theta cos the...
Text Solution
|
If cos^2 theta-sin^2 theta-3 Cos theta+2 =0, 0^@< theta<90^@, then wha...
Text Solution
|