Solved

Evaluate Without Using a Calculator $\sin \alpha$ , If $\cot \alpha = 8$

Question 340

Multiple Choice

Evaluate without using a calculator.
- $\sin \alpha$ , if $\cot \alpha = 8$ and $\sec \alpha < 0$

A) $- \sqrt { 65 }$
B) $- \frac { 8 \sqrt { 65 } } { 65 }$
C) $- \frac { \sqrt { 65 } } { 65 }$
D) $\frac { \sqrt { 65 } } { 65 }$

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