Question #24674

1 Answer
Nghi N
Nov 26, 2017

Not true.

Explanation:

#tan^2 x + cot x = tan^2 x + 1/(tan x) = 2#
To verify this equation, just take any value of x to see if it is true.
If #x = pi/3 = 60^@# --> #tan x = sqrt3# --> #tan ^2 x = 3# -->
#cot x = sqrt3/3#.
Therefor, the equation is not true.
#3 + sqrt3/3 != 2#

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