If 0 < x, y < … and cosx + cosy … cos(x + y) = …, then sinx + cosy is equal to :

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Trigonometric Ratio and Identites

JEE Main 2021 · 25 Feb, Evening shift · Q5636

MathematicsMedium45×since 2004Q5636

If 0 < x, y <

\pi

and cosx + cosy

-

cos(x + y) =

{3 \over 2}

, then sinx + cosy is equal to :

JEE Main 2021 · 25 Feb, Evening shift · Q5636

MathematicsMedium45×since 2004Q5636

If 0 < x, y <

\pi

and cosx + cosy

-

cos(x + y) =

{3 \over 2}

, then sinx + cosy is equal to :