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Find the Exact Values Of sin2θ,cos2θ, and tan2θ\sin 2 \theta , \cos 2 \theta , \text { and } \tan 2 \theta

Question 9

Multiple Choice

Find the exact values of sin2θ,cos2θ, and tan2θ\sin 2 \theta , \cos 2 \theta , \text { and } \tan 2 \theta for the given values of 66 . secθ=12;90<θ<180\sec \theta = - 12 ; 90 ^ { \circ } < \theta < 180 ^ { \circ }


A) 14372,7172,14371- \frac { \sqrt { 143 } } { 72 } , - \frac { 71 } { 72 } , \frac { \sqrt { 143 } } { 71 }
B) 12143,7172,71143\frac { \sqrt { 12 } } { 143 } , \frac { 71 } { 72 } , \frac { \sqrt { 71 } } { 143 }
C) 14372,7172,14371- \frac { 143 } { 72 } , - \frac { 71 } { 72 } , - \frac { 143 } { 71 }
D) 14372,14372,143143- \frac { \sqrt { 143 } } { 72 } , - \frac { 143 } { 72 } , \frac { \sqrt { 143 } } { 143 }
E) 14372,7172,14371- \frac { 143 } { 72 } , \frac { 71 } { 72 } , \frac { 143 } { 71 }

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