Math, asked by subodhambhore272, 10 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 2 A

Answers

Answered by santhoshsanthosh8740

1

Answer:

cos (n+2,)a is equal to sin2 A

Answered by rahuljha84

1

Answer:

d

Step-by-step explanation:

meri meri Marjimeri Marji main kuchh bhi Karun meri Marji meri meri

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