Math, asked by sumana787, 1 year ago

SinA=cos (A-30) value of A?

Answers

Answered by Gpcurry7
0
Sin(90-A) = cos (A-30)
Cos(90-A) = cos (A - 30)
(90 - A) = (A - 30)
- A - A = - 30 - 90
2A = 120
A = 60
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