Math, asked by nanditalakshmi9, 10 months ago

If sin A = 3 cosA
; where LA is acute, find LA

Answers

Answered by bgss2302

1

Answer:

sin3A = cos (90-3A)

cos (90-3A) = cos (A-10)

90-3A= A-10

100 = 4A

A= 25

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