Evaluate each expression without using a calculator, and write your answers in radians.       arcos (1)

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter1: Trigonometry
Section1.7: Inverse Trigonometric Functions
Problem 1ECP: If possible, find the exact value of each expression a. arcsin1 b. sin12
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Evaluate each expression without using a calculator, and write your answers in radians.

 

 

 

arcos (1)

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