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Exercises 61 and 62: Find the following. (a) sin(a + B) (b) cos(a + B) (c) tan(a + B) (d) The quadrant containing a + B 61. cos a = and cos and cos = 3, where a and 3 are both in quadrant I. 62. sina = -and tanß = -1, where a and 3 are both in quadrant IV.

Exercises 61 and 62: Find the following. (a) sin(a + B) (b) cos(a + B) (c) tan(a + B) (d) The quadrant containing a + B 61. cos a = and cos and cos = 3, where a and 3 are both in quadrant I. 62. sina = -and tanß = -1, where a and 3 are both in quadrant IV.

Trigonometry (11th Edition)
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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Can you explain question 62

Exercises 61 and 62: Find the following. (b) cos(a + B) (a) sin(a + B) (c) tan(a + B) (d) The quadrant containing a + B 61. cosa = and cosß = 13, where a and 3 are both in quadrant I. 62. sina=-1and tanß = - and tanß = -3, where a and 3 are both in quadrant IV.
Transcribed Image Text:Exercises 61 and 62: Find the following. (b) cos(a + B) (a) sin(a + B) (c) tan(a + B) (d) The quadrant containing a + B 61. cosa = and cosß = 13, where a and 3 are both in quadrant I. 62. sina=-1and tanß = - and tanß = -3, where a and 3 are both in quadrant IV.
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