Math, asked by panigrahimadhurima4, 2 months ago

COS 70 + COS 30 - COS5a - COSA = cotza
sinza - sinza - sin sa - Sina

Answers

Answered by py5024131

2

Answer:

(sinA+2sin3A+sin5A)/(sin3A+2sin5A+sin7A)=(sin3A)/(sin5A)

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