Let a and 3 be first quadrant angles with cos(a) Find cos(a + B). = √5 10 and sin(3) √10 8

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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Let a and 3 be first quadrant angles with cos(a)
Find cos(a + B).
=
√5
10
and sin(3)
-
10
Transcribed Image Text:Let a and 3 be first quadrant angles with cos(a) Find cos(a + B). = √5 10 and sin(3) - 10
Given:
sin A = 1/2 and A is in quadrant II
cos B = 1/5 and B is in quadrant I
Find the exact value of tan(A+B).
Transcribed Image Text:Given: sin A = 1/2 and A is in quadrant II cos B = 1/5 and B is in quadrant I Find the exact value of tan(A+B).
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