SOLUTION: Simplify the expression: cos(-x)/sin(-x) - cos(-x)/sin(x) Here is my solution which I am not sure if it is correct: cos(x)/-sin(x) + cos(x)/sin(x) = -cos(x)/sin(x) + cos(x)/s

SOLUTION: Simplify the expression: cos(-x)/sin(-x) - cos(-x)/sin(x) Here is my solution which I am not sure if it is correct: cos(x)/-sin(x) + cos(x)/sin(x) = -cos(x)/sin(x) + cos(x)/s

Algebra.Com

Question 628408: Simplify the expression:
cos(-x)/sin(-x) - cos(-x)/sin(x)
Here is my solution which I am not sure if it is correct:
cos(x)/-sin(x) + cos(x)/sin(x)
= -cos(x)/sin(x) + cos(x)/sin(x)
= 0

Answer by Tatiana_Stebko(1539) (Show Source): You can put this solution on YOUR website!

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