use the half-angle identities to find the exact value of each trigonometric expression. 33) sin (7pi)/8 35) cos (5pi)/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°.
Question

use the half-angle identities to find the exact value of each trigonometric expression.

33) sin (7pi)/8

35) cos (5pi)/12

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