θ Is an Acute Angle and Sin θ and Cos $\tan 70 ^ { \circ } - \frac { \sin 70 ^ { \circ } } { \cos 70 ^ { \circ } }$

Multiple Choice

θ is an acute angle and sin θ and cos θ are given. Use identities to find the indicated value.
- $\tan 70 ^ { \circ } - \frac { \sin 70 ^ { \circ } } { \cos 70 ^ { \circ } }$

A) 0
B) 1
C) 70
D) Undefined