Mathematics, 12.07.2019 01:00 magicalpenguin48
In two or more complete sentences, use your knowledge of the unit circle to describe why the following trigonometric equation is true. tan(-20 degrees) = -tan(20 degrees)
Answers: 1
Angle 
is placed at IVth quadrant and has (see attached diagram for signs of cosines - first sign in brackets and sines - second sign in brackets)
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In two or more complete sentences, use your knowledge of the unit circle to describe why the followi...
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