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1. |
If Sin(y)=Sin(-1) (y) then? |
A. | (1-y<sup>2</sup>)(1 Cos<sup>2</sup> y) = 1 |
B. | (1-y<sup>2</sup>)(1 Sin<sup>2</sup> y) = 1 |
C. | (1-y<sup>2</sup>)(1 Siny)=1 |
D. | (1-y<sup>2</sup>)(1 Cosy)=1 |
Answer» C. (1-y<sup>2</sup>)(1 Siny)=1 | |