Complete the identity.
-$\frac { \cos ^ { 2 } x - \sin ^ { 2 } x } { 1 - \tan ^ { 2 } x } = ?$
A) $\cos ^ { 2 } x$
B) $\sin ^ { 2 } x$
C) 1
D) $- 1$

Name: Complete the identity. -$\frac { \cos ^ { 2 } x - \sin ^ { 2 } x } { 1 - \tan ^ { 2 } x } = ?$ A) $\cos ^ { 2 } x$ B) $\sin ^ { 2 } x$ C) 1 D) $- 1$
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The Answer of Complete the identity.
-$\frac { \cos ^ { 2 } x - \sin ^ { 2 } x } { 1 - \tan ^ { 2 } x } = ?$
A) $\cos ^ { 2 } x$
B) $\sin ^ { 2 } x$
C) 1
D) $- 1$

Complete the Identity cos⁡2x−sin⁡2x1−tan⁡2x=?\frac { \cos ^ { 2 } x - \sin ^ { 2 } x } { 1 - \tan ^ { 2 } x } = ?1−tan2xcos2x−sin2x​=?

Complete the Identity $\frac { \cos ^ { 2 } x - \sin ^ { 2 } x } { 1 - \tan ^ { 2 } x } = ?$