Use the fundamental identities to find the value of the trigonometric function.
-Find $\cos \theta$ if $\sin \theta = - \frac { 5 } { 13 }$ and $\theta$ is in quadrant III.
A) $- \frac { 12 } { 13 }$

B) $- \frac { 5 } { 12 }$

C) $- \frac { 13 } { 5 }$

D) $\frac { 12 } { 5 }$

Question

Use the fundamental identities to find the value of the trigonometric function.
-Find $\cos \theta$ if $\sin \theta = - \frac { 5 } { 13 }$ and $\theta$ is in quadrant III.
A) $- \frac { 12 } { 13 }$

B) $- \frac { 5 } { 12 }$

C) $- \frac { 13 } { 5 }$

D) $\frac { 12 } { 5 }$

Quizplus · Accepted Answer

The Answer is A

Use the Fundamental Identities to Find the Value of the Trigonometric