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Use an Identity to Write the Expression as a Single $\frac { \sin 80 ^ { \circ } } { 1 + \cos 80 ^ { \circ } }$

Question 265

Multiple Choice

Use an identity to write the expression as a single trigonometric function or as a single number.
- $\frac { \sin 80 ^ { \circ } } { 1 + \cos 80 ^ { \circ } }$

A) $\cos 40 ^ { \circ }$
B) $\tan 40 ^ { \circ }$
C) $\cot 40 ^ { \circ }$
D) $\sin 40 ^ { \circ }$

Use an Identity to Write the Expression as a Single sin⁡80∘1+cos⁡80∘\frac { \sin 80 ^ { \circ } } { 1 + \cos 80 ^ { \circ } }1+cos80∘sin80∘​

Multiple Choice

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Use an Identity to Write the Expression as a Single $\left\{ \frac { \pi } { 12 } , \frac { \pi } { 6 } , \frac { 2 \pi } { 3 } , \frac { 7 \pi } { 12 } , \frac { 7 \pi } { 6 } , \frac { 13 \pi } { 12 } , \frac { 5 \pi } { 3 } \right\}$

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