How do you prove this? #tanx + cotx = secx - cscx#
1 Answer
Jun 24, 2018
This identity is generally false in the form given.
Explanation:
Try
We find:
#tan (pi/4) + cot (pi/4) = 1+1 = 2 != 0 = sqrt(2)-sqrt(2) = sec (pi/4) - csc (pi/4)#
