Evaluating Trigonometric Functions

Section 4.4
Question 14



Question 14

Let me see.

Plot the given point in quadrant 1.
Drop and perpendicular from the point (8,15) to the line x = 0. Find the hypotenuse using the Pythagorean Theorem.

I found the hypotenuse to be 17. All six trig functions are positive in quadrant 1.

Let x = the angle in question.

sin x = 15/17

cos x = 8/17

tan x = 15/8

csc x = 17/15

sec x = 17/8

cot x = 8/15

You say?

 

perfect

 

Thank you.