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Asked Sep 27, 2019
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O TRIGONOMETRIC FUNCTIONS
Trigonometric functions and special angles: Problem type 3
Find the exact values below. If applicable, click on "Undefined."
JT
sin 870°
Undefined
7Tt
sec
3
X
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O TRIGONOMETRIC FUNCTIONS Trigonometric functions and special angles: Problem type 3 Find the exact values below. If applicable, click on "Undefined." JT sin 870° Undefined 7Tt sec 3 X

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Expert Answer

Step 1

Find the exact value...

sin(0) cos (90°-0)
sin (8700) cos (90° -870°)
os(-7800
coS
( cos(-x)cosx)
= cos 780
1
cos (720° 60°)
11
=cos (2(360°) 60°
cos ((x+360-m)-cos (x)
s(600)
COs (x
CO
COS
т
1
2
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sin(0) cos (90°-0) sin (8700) cos (90° -870°) os(-7800 coS ( cos(-x)cosx) = cos 780 1 cos (720° 60°) 11 =cos (2(360°) 60° cos ((x+360-m)-cos (x) s(600) COs (x CO COS т 1 2

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Calculus