Math, asked by muktachandgude2004, 4 months ago

The value of
sin (n +1) A sin (n + 2) A +cos (n +1) A cos (n +2) A
is equal to
(A) sin A (B) cos A
(C) - cos A (D) sin 2A

Answers

Answered by vashist2007

2

Answer:

sinA

a

Step-by-step explanation:

dknnke n emn- ((₹(₹

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