Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section: Chapter Questions
Problem 43RE
Related questions
Question
one of sin x, cos x, and tan x is given. Find the other
two if x lies in the specified interval.
Expert Solution
Step 1
Given , where .
Since, lies in third quadrant, so cosine function will be negative and tangent will have positive value.
We know that,
So, and
Using Pythagoras theorem,
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