SOLUTION: The value of cos 3 times pi divided by 4 is negative square root of 2 divided by 2. true or false

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Question 831828: The value of cos 3 times pi divided by 4 is negative square root of 2 divided by 2. true or false
Answer by lwsshak3(11628) About Me  (Show Source):
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The value of cos 3 times pi divided by 4 is negative square root of 2 divided by 2. true or false:
cos%283pi%2F4%29=-sqrt%282%29%2F2(reference angle of 135˚ in quadrant II)
true