Math, asked by rr4120138, 9 months ago

Cos 5A + Cos7A/
Sin5A+ sin7A

Answers

Answered by itsbiswaa

0

Answer:

cos5a+cos7a)/(sin5a+sin7a)=2cos(((5a+7a))⁄2)cos(((5a-7a))⁄2)/2sin(((5a+7a))⁄2)cos(((5a-7a))⁄2)

Step-by-step explanation:

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