Math, asked by ansh2976gmailcom, 11 months ago

102. (cos A – sin4A) is equal to
(a) 1-2cos
(b) 2 sin2A-1
(c) sin2A-cos2A
(d) 2 cos2A-1

Answers

Answered by raja5678

0

Answer:

b

Step-by-step explanation:

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dj

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