6. Trigonometric Identities and More Equations
Introduction to Trigonometric Identities
Multiple Choice
Multiple ChoiceUse the Pythagorean identities to rewrite the expression as a single term.
(1+cscθ)(1−cscθ)
A
1
B
−csc2θ
C
cot2θ
D
−cot2θ
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