If y-5- find the value of 2 cos - sin -y sin 3-2- -y

The correct option is C sin2/5π Given y=π5 2cosπsin (π y)sin(3π2+y)=2( 1)(sin y)( cos y)=2sin ycos y=sin 2 y=sin2π5 ...

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Monotonically Increasing Functions

If y=π/5, f...

Question

If $y = \frac{π}{5}$ , find the value of $2 c o s π s i n (π - y) s i n (\frac{3}{2} π + y)$

c o s \frac{2}{5} π

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- c o s \frac{2}{5} π

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s i n \frac{2}{5} π

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- s i n \frac{2}{5} π

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t a n \frac{2}{5} π

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Similar questions

{cos}^{2} \frac{π}{8} + {cos}^{2} \frac{3 π}{8} + {cos}^{2} \frac{5 π}{8} + {cos}^{2} \frac{7 π}{8}

{sin}^{2} \frac{π}{8} + {sin}^{2} \frac{3 π}{8} + {sin}^{2} \frac{5 π}{8} + {sin}^{2} \frac{7 π}{8}

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{sin}^{- 1} \frac{1}{2} + {cos}^{- 1} \frac{1}{2} + {tan}^{- 1} \frac{1}{\sqrt{3}}

(a) \frac{2 π}{3} (b) \frac{π}{2}

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y = \sqrt{5 - x^{2}}

y = | x - 1 |

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