Math, asked by jforjazz2144, 1 year ago

Cos7A+cos5A÷sin7A+sin5A=cot6A

Answers

Answered by sandy1816

3

Step-by-step explanation:

cos7A+cos5A/sin7A+sin5A

=2cos6AcosA/2sin6AcosA

=cos6A/sin6A

=cot6A

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