2). Express the following : > 20° in radians. T/9 rad in degree. 2b). prove that: (sinø-cosø)^2 + (sinø +cosø)^2=0

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.1: Angles
Problem 30E
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2). Express the following :
>
20° in radians.
T/9 rad in degree.
2b). prove that: (sinø-cosø)^2 + (sinø +cosø)^2=0
3). Define a circle?
3b). Find the equation of a circle center at (-1, 4)
with radius 5 units
Transcribed Image Text:2). Express the following : > 20° in radians. T/9 rad in degree. 2b). prove that: (sinø-cosø)^2 + (sinø +cosø)^2=0 3). Define a circle? 3b). Find the equation of a circle center at (-1, 4) with radius 5 units
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