Question

Q5 Q36.) Find a cofunction with the same value as the given expression.

Answer 1

cofunction of cos is sin and cos(x)=sin(pi/2 - x)

cos(pi/4) = sin (pi/2 - pi/4) = sin(pi/4)

Answer 2

hello buddy how is your day going?
hope your night is going well 
so I'm pretty sure that the answer to this is 
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cos(pi/4) = sin (pi/2 - pi/4) = sin(pi/4)
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hope this helps u 
have a fantastic day/night
hope this helps 
-toby out