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Find sin t and cos t for the given value of t.

t = −120°

 Apr 22, 2019

Best Answer 

 #2
avatar+18870 
+2

t = -120  =  - 2pi / 3

Sin and cos will be negative (quadrant III)

Cos = - 1/2    (or  0.5)

Sin = - sqrt3/2   (or - 0. 866)

 Apr 22, 2019
 #1
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0

sin(t)=-0.580611184

cos(t)=0.814180971

 Apr 22, 2019
 #2
avatar+18870 
+2
Best Answer

t = -120  =  - 2pi / 3

Sin and cos will be negative (quadrant III)

Cos = - 1/2    (or  0.5)

Sin = - sqrt3/2   (or - 0. 866)

ElectricPavlov Apr 22, 2019

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