Trigonometrymedium · Past Paper
If sin(A+B) = 1 and cos(A-B) = √3/2, find A and B.
A60, 30
B45, 45
C90, 0
D30, 60
✓ Correct Answer: A — 60, 30
A+B = 90, A-B = 30. Solving gives A=60, B=30.
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✓ Correct Answer: A — 60, 30
A+B = 90, A-B = 30. Solving gives A=60, B=30.
Share this question