SOLUTION: How to work this problem: tan 40 degrees - sin 40 degrees/cos 40 degrees. I think the answer is 0 but could you explain why/how? Thank you!

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Question 415363: How to work this problem: tan 40 degrees - sin 40 degrees/cos 40 degrees.
I think the answer is 0 but could you explain why/how? Thank you!
Answer by sudhanshu_kmr(1152) About Me  (Show Source):
You can put this solution on YOUR website!

according to rule, tan@ = sin@/ cost@

so, sin40/co40 = tan40

tan40 - sin40/cos40
= tan40 -tan40
= 0