Math, asked by Anonymous, 5 hours ago

If 8A = π , show cos 7A + cot A = 0.

Please solve it!

Answers

Answered by mahanteshgejji

1

The problem may be COS7A+COSA

LHS =Cos7A + CosA

=cos[7π/8] + cosA

=cos[π-π/8] + cosA

= - cosA + cosA

= 0

= RHS

Answered by mamtaanuraggupta89

4

Answer:

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