Home › AP EAMCET › Mathematics › Trigonometry: Trigonometric Equations › Besides cosine, which other trigonometric functi…
Besides cosine, which other trigonometric function is even?
ACotangent
BTangent
CCosecant
DSecant
Answer & Solution
Correct answer: D. Secant
Secant is the reciprocal of cosine, so sec(-x) = sec x and it is even like cosine.
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