plz solve it...
its very important
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sinA = cosA
sinA / cosA = 1
tanA = 1
tanA = tan45
A = 45
answer is 45 degree..
Consider Theta as x
Since we know that
Sin x = Cos(90-x )
but sinx = cos x .......( given)
and sin45° = 1/√2
which is equal to cos 45°
Thetha = 45°