Question

FIND THE VALUE OF COT 315 DEGREE

Answer 1

Step-by-step explanation:

value of cot(-315) is 1

Answer 2

The value of cot and tan repeats after an interval of π (180°)

So cot(315°) = cot (180+135°)

= cot(135)

Now cot 135 = cot (90+45)

= -tan(45)

= -1

So the answer is -1