Sin 2-cos 2-2 sin-sin-cos - is independent of

The correct option is B αsin^2 α +cos (α +β)[cos (α+β)+2 sin α sin β]=sin^2 α +cos^2 α sin^2 β =1 sin^2 β ...

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Range of Trigonometric Expressions

sin 2α+cos 2α...

Question

$s i n^{2} α + c o s^{2} (α + β) + 2 s i n α s i n β c o s (α + β)$ is independent of

α

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β

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both

α

and

β

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none

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Solution

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Similar questions

y = {sin}^{2} α + {cos}^{2} (α + β) + 2 sin α sin β cos (α + β)

\frac{d^{3} y}{d x^{3}}

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cos 2 α cos 2 β + {sin}^{2} (α - β) - {sin}^{2} (α + β) = cos 2 (α + β)

{sin}^{2} α + {cos}^{2} (α + β) + 2 sin α . sin β cos (α + β) =

\frac{sin 2 α + sin 2 β}{cos 2 α - cos β} = cot (β - α)

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