SOLUTION: (cos pi/4 - tan pi/4)^2) Find exact value of

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Question 770018: (cos pi/4 - tan pi/4)^2)
Find exact value of
Answer by lwsshak3(11628) About Me  (Show Source):
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(cos pi/4 - tan pi/4)^2)
Find exact value
cos(π/4)=√2/2
tan(π/4)=1
(cos pi/4-tan pi/4)^2)=sqrt%282%29%2F2-1