4. Using addition formula to find the followings: a) sin- x) 2 b) cos(n + x) 77 c) Evaluate sin as sin( + 12 d) Evaluate cos 12
4. Using addition formula to find the followings: a) sin- x) 2 b) cos(n + x) 77 c) Evaluate sin as sin( + 12 d) Evaluate cos 12
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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Transcribed Image Text:4. Using addition formula to find the followings:
a) sin(
b) cos(n + x)
c) Evaluate sin as sin(
12
d) Evaluate cos
12
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