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1. |
Q: Which of the following simplification value of $$ {(secA-cosA)^{2}}+{(cosecA-sinA)^{2}}-{(cotA-tanA)^{2}}$$ ? |
A. | 4 |
B. | 2 |
C. | 1 |
D. | 3 |
Answer» D. 3 | |