Which trigonometric functions can take the value #0# ?
1 Answer
May 8, 2016
Of the six basic trigonometric functions, the ones which take the value
#sin, cos, tan, cot#
The other two do not:
#sec, csc#
Explanation:
For any Real angle
#abs(sec theta) >= 1#
#abs(csc theta) >= 1#
so these functions are never zero.