suppose b is an angle in standard position between 0 and 2pi radians such that  ( 3,-8) is a point on its terminal side. a) find the coordinates of the point where the terminal side of b intersects the unit circle b) find cos(2b) c) in what quadrant is the terminal side of 2b? d) find sin (b/2)

Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE: 1. Give the measures of the complement and the supplement of an angle measuring 35°.
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suppose b is an angle in standard position between 0 and 2pi radians such that  ( 3,-8) is a point on its terminal side.

a) find the coordinates of the point where the terminal side of b intersects the unit circle

b) find cos(2b)

c) in what quadrant is the terminal side of 2b?

d) find sin (b/2)

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