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1. |
Q: If x+ y=90°, then what is the value of $$ {\sqrt{cosx.cosecy-cosx.siny}}$$? |
A. | cosx |
B. | sinx |
C. | $$ {\sqrt{sinx}}$$ |
D. | $$ {\sqrt{cosx}}$$ |
Answer» C. $$ {\sqrt{sinx}}$$ | |