Use the Cofunction Identities to Find an Angle $$\theta$$ That Makes the Statement True

Use the cofunction identities to find an angle $$\theta$$ that makes the statement true.
- $$\sin \left( \theta + 4 ^ { \circ } \right) = \cos \left( \theta + 6 ^ { \circ } \right)$$

A) $\theta = \frac { 83 ^ { \circ } } { 7 }$
B) $\theta = \frac { 17 ^ { \circ } } { 7 }$
C) $\theta = 40 ^ { \circ }$
D) $\theta = 10 ^ { \circ }$

Correct Answer:

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