If 2 sin^2beta-cos^2beta=2, then beta is: | CLASS 10 | SAMPLE QUESTION PAPER | MATHS | OSWAL PUB...
If 2 sin^2 beta - cos^2 beta = 2 then find beta.
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If `2sin^2theta-cos^2theta=2,` find the value of `theta.`
If 2sin^2θ – cos^2θ = 2, then find the value of θ.
If cos^2alpha-sin^2alpha=tan^2beta, then prove that tan^2alpha=cos^2beta-sin^2beta. | CLASS 12 |...
If `sin 2theta + sin 2phi =1/2` and `cos 2theta+cos 2phi=3/2`, then `cos^2(theta-phi)=`
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