Question

71 713. (07.02 MC)Explain the difference between using the cosine ratio to solve for a missing angle in a right triangle versus using the secant ratio. You must use completesentences and any evidence needed (such as an example) to prove your point of view.

Answer 1

In trigonometry, secant in a right-angled triangle is the reciprocal of the cosine of an angle with the symbol sec. Cosine in a right-angled triangle is the ratio of the length of the side adjacent to an acute angle to the length of the hypotenuse.

The cosine, therefore, of say A is given as;

`co\sin eA=\frac{length\text{ of the adjacent side of the triangle to }\angle A}{\text{length of the hypotenus of the triangle}}`

The secant of say A is given as;