SOLUTION: Find the exact value using a double-angle identity.
cos {{{ 5pi/3 }}}
Could you please show the steps to get the answer?
Thank you!
Algebra ->
Trigonometry-basics
-> SOLUTION: Find the exact value using a double-angle identity.
cos {{{ 5pi/3 }}}
Could you please show the steps to get the answer?
Thank you!
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Question 932739: Find the exact value using a double-angle identity.
cos
Could you please show the steps to get the answer?
Thank you! Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! Find the exact value using a double-angle identity.
cos
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= 0.5
No reason to use the double-angle identity.
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5pi/3 = 300 degrees
