if cos 7A=sin (A-6) Where 7A is an acute angle. find A?
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Answered by
2
7 A should be ( 7 - A )
As Cos 7A doesnt have any formula
As Cos 7A doesnt have any formula
Answered by
5
Cos (7A) = Sin(A-6)
Sin(90°-7A) = Sin(A-6)
90°-7A = A-6
96° = 8A
A = 12°
Sin(90°-7A) = Sin(A-6)
90°-7A = A-6
96° = 8A
A = 12°
GauravGumber:
well done
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