Math, asked by sumanbarnawal4444, 2 months ago

Prove : 1+3cos alpha -4cos^3 alpha/1-cos alpha= (1+2cos alpha)^2

Plz plz right answer I will mark as brainleist

Answers

Answered by anushkaszar2311

0

Answer:

sorry I don't know this answer but I will try to do it

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