Trigonometrymedium · Past Paper
If sin A = cos A, what is the value of A in degrees (0 < A < 90)?
A30
B45
C60
D0
✓ Correct Answer: B — 45
sin A = cos A implies tan A = 1, so A = 45 degrees.
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✓ Correct Answer: B — 45
sin A = cos A implies tan A = 1, so A = 45 degrees.
Share this question