Try another version of this question Write `cos((3 pi)/8)` in terms of its cofunction. Box 1: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)Enter DNE for Does Not Exist, oo for InfinityDecimal values are not allowed `sin(pi/8)`
Try another version of this question
Write `cos((3 pi)/8)` in terms of its cofunction.
Box 1: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)Enter DNE for Does Not Exist, oo for InfinityDecimal values are not allowed