if COS A=SIN A then A=?
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Answered by
3
Cos A = Sin A
=> Cos A = cos (90-A)
=> A = 90 - A
=> 2A = 90
=> A = 45°
=> Cos A = cos (90-A)
=> A = 90 - A
=> 2A = 90
=> A = 45°
Answered by
3
If sins = cosa
Then , we know that only 45degree is the value which is equal in both cases.
So, A = 45 degree.
Then , we know that only 45degree is the value which is equal in both cases.
So, A = 45 degree.
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