SOLUTION: Find all the exact t-values for which cos t = {{{sqrt( 2 )/2}}}

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Question 753619: Find all the exact t-values for which cos t = sqrt%28+2+%29%2F2
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
Find all the exact t-values for which cos t = sqrt%28+2+%29%2F2
cos(t)=√2/2
t=π/4, 7π/4