θ is an acute angle and sin θ and cos θ are given. Use identities to find the indicated value.
-$\sec ^ { 2 } 50 ^ { \circ } - \tan ^ { 2 } 50 ^ { \circ }$
A) 1
B) 0
C) $0.50$
D) $0.25$

Name: θ is an acute angle and sin θ and cos θ are given. Use identities to find the indicated value. -$\sec ^ { 2 } 50 ^ { \circ } - \tan ^ { 2 } 50 ^ { \circ }$ A) 1 B) 0 C) $0.50$ D) $0.25$
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Question

Quizplus · Accepted Answer

The identity $\sec^2 \theta - \tan^2 \theta = 1$ applies here, making the answer 1.

θ Is an Acute Angle and Sin θ and Cos sec⁡250∘−tan⁡250∘\sec ^ { 2 } 50 ^ { \circ } - \tan ^ { 2 } 50 ^ { \circ }sec250∘−tan250∘

θ Is an Acute Angle and Sin θ and Cos $\sec ^ { 2 } 50 ^ { \circ } - \tan ^ { 2 } 50 ^ { \circ }$