Question

Secant is the reciprocal of which other ratio?

Sine

Cosine

Cotangent

Cosecant

Answer 1

Answer: Cosine

Explanation:

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Answer 2

`\displaystyle Cosine`

Explanation:

`\displaystyle (HYPOTENUSE)/(ADJACENT) = sec\:θ \\ (ADJACENT)/(HYPOTENUSE) = cos\:θ`

You can easily tell how these trigonometric ratios are multiplicative inverses [reciprocals] of each other.

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