Math, asked by singhshikhar998, 11 months ago

If sin 5theta = cos 4theta, where 5theta and 4theta are acute angle, show that theta = 10degree

Answers

Answered by ksswagat78

2

Answer:

Step-by-step explanation:

Let theta = A

sin 5A = cos 4A

cos (90-5A) = cos 4A

90-5A=4A

9A=90

A=10

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