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1. |
If (cosθ + sinθ) : (cosθ–sinθ) = (√3 + 1) : (√3 – 1),0° < θ 90°, then what is the value of secθ? |
A. | 2 |
B. | √2 |
C. | 1 |
D. | (2√3)/3 |
Answer» E. | |