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What is the correct definition for sec 0?
4 months ago
Q:
What is the correct definition for sec 0?
Accepted Solution
A:
secθ = cos^(-1)θ is the same as secθ = 1/cosθ
Secant is a trigonometric function, reciprocal to the cosine.
People get confused because they tend to link "cosine" and "cosecant" (which is reciprocal to the sine)