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Solve the Problem cosθ=513\cos \theta = - \frac { 5 } { 13 }

Question 337

Multiple Choice

Solve the problem.
-If cosθ=513\cos \theta = - \frac { 5 } { 13 } , and θ\theta terminates in quadrant II, then find cos2θ\cos 2 \theta .


A) 120169- \frac { 120 } { 169 }

B) 120169\frac { 120 } { 169 }

C) 119169\frac { 119 } { 169 }

D) 119169- \frac { 119 } { 169 }

Correct Answer:

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