Math, asked by isahaqmakandar582, 3 months ago

(1-COSA)(1+COSA) = ?
1) cos2A
2) sin2A.
3) tan2A
4) sec2A

Answers

Answered by nandanasnair2005

4

Answer:

sin²A

Step-by-step explanation:

Hope it helps you..

Answered by Simi2911

9

Answer:

COS2A

MARK AS BRAINLIEST PLEASE

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