`cos^4 theta- sin^4 theta=`

The value of (2(sin^6 theta+cos^6 theta)-3(sin^4 theta+cos^4 theta))/ (cos^4 theta-sin^4 theta-2cos^2 theta) is (2(sin^6 theta+cos^6 theta)-3(sin^4 theta+cos^4 theta))/ (cos^4 theta-sin^4 theta-2cos^2 theta) का मान है:

The value of (sec^6 theta-tan^6 theta- 3 sec^2 theta tan^2 theta+1)/(cos^4 theta -sin^4 theta+2 sin^2 theta+2) is: (sec^6 theta-tan^6 theta- 3 sec^2 theta tan^2 theta+1)/(cos^4 theta -sin^4 theta+2 sin^2 theta+2) का मान क्या है ?

Prove the following: cos^4theta-sin^4theta+1=2cos^2theta

If cos^4theta-sin^4theta=2/3 then 2cos^2theta-1=

Prove that-: cos^4theta/(1-sin^4theta)=(1-sin^2theta)/(1+sin^2theta)

cos^4theta- sin^4theta is equal to.............. (a) 1 -2 sin^2(theta/2) (b) 2cos^2theta-1 (c) 1+2sin^2(theta/2) (d) 1+2cos^2theta

find the value of the following expression cos^4theta-sin^4theta is :

Select and write the correct answer from the given alternatives in each of the following: cos^4theta-sin^4theta ……….

Find the value of (sin^4 theta - cos^4 theta)/(sin^2 theta - cos^2 theta)