Question

given ABC, sin (A)=

Answer 1

cos(C)
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Answer 2

We are given all three angles here:

Angle A =68 degrees

Angle B =90 degrees

Angle C =22 degrees.

Now let us calculate :

sin (A) = sin (68) = 0.927

cos (B) = cos (90) = 0

sin (B) = sin (90) =1

cos (C) = cos (22) = 0.927

tan (C) = tan(22) =0.4040

So we can see that sin (A) and cos (C) are both equal to 0.927.

So cos (C) is the correct option.