

MCQOPTIONS
Saved Bookmarks
1. |
If $${\text{cos}}\theta= \frac{{{x^2} - {y^2}}}{{{x^2} + {y^2}}}$$then the value of$${\text{cot}}\theta $$is equal to $$\left[ {{\text{if }}{0^ \circ } \leqslant \theta\leqslant {{90}^ \circ }} \right]$$ |
A. | $\frac{{2xy}}{{{x^2} - {y^2}}}$$ |
B. | $\frac{{2xy}}{{{x^2} + {y^2}}}$$ |
C. | $\frac{{{x^2} + {y^2}}}{{2xy}}$$ |
D. | $\frac{{{x^2} - {y^2}}}{{2xy}}$$ |
Answer» E. | |