SOLUTION: The value of cos pie/3 - sin 3pie/2 is a)1 1/2 b)1/2 c)-1 1/2 d)- 1/2 Thanks Kamla

SOLUTION: The value of cos pie/3 - sin 3pie/2 is a)1 1/2 b)1/2 c)-1 1/2 d)- 1/2 Thanks Kamla

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Question 388703: The value of cos pie/3 - sin 3pie/2 is
a)1 1/2
b)1/2
c)-1 1/2
d)- 1/2
Thanks
Kamla
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
The value of cos pie/3 - sin 3pie/2 is
a)1 1/2
b)1/2
c)-1 1/2
d)- 1/2
------------
cos(pi/3) = 1/2
sin(3pi/2) = -1
-----------
1/2 - (-1) = 1.5
a) 1 1/2

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