Question 25 Answer and Explanation _ACT January 2006 Form 61C Math Section

Question 25 Answer and Explanation _ACT January 2006 Form 61C Math Section

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25. Which of the following trigonometric equations is valid for the side measurement x inches, diagonal measurement y inches, and angle measurement w° in the rectangle shown below?

A. $\cos{{w}^{\circ}}=\frac{x}{y}$

B. $\cot{{w}^{\circ}}=\frac{x}{y}$

C. $\sec{{w}^{\circ}}=\frac{x}{y}$

D. $\sin{{w}^{\circ}}=\frac{x}{y}$

E. $\tan{{w}^{\circ}}=\frac{x}{y}$

Answer and Explanation

Your Answer is

Correct Answer is D

Explanation