Math, asked by poojithmapepqfu, 1 year ago

$(1 + cosa + sina) ^2 = 2(1 + cosa)(1 +sina)$

Answers

Answered by drashti5

2

hope this helps.............

Attachments:

poojithmapepqfu: which formula did you used

poojithmapepqfu: then 2(1+cosA+2sinA*cosA

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