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Complete the Identity sin⁡2θ2sin⁡2θ=?\frac { \sin ^ { 2 } \frac { \theta } { 2 } } { \sin ^ { 2 } \theta } = ?

Question 399

Multiple Choice

Complete the identity.
- sin⁡2θ2sin⁡2θ=?\frac { \sin ^ { 2 } \frac { \theta } { 2 } } { \sin ^ { 2 } \theta } = ?


A) 12−2cos⁡θ\frac { 1 } { 2 - 2 \cos \theta }

B) 12+2cos⁡θ\frac { 1 } { 2 + 2 \cos \theta }

C) cos⁡2θ2\cos ^ { 2 } \frac { \theta } { 2 }

D) sin⁡2θ2\sin ^ { 2 } \frac { \theta } { 2 }

Correct Answer:

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