

MCQOPTIONS
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1. |
Find general solution to equation cos x = – 1/√2. |
A. | x = 2nπ±7π/4 |
B. | x = 2nπ±3π/4 |
C. | x = 2nπ±π/4 |
D. | x = 2nπ±π/3 |
Answer» D. x = 2nπ±π/3 | |