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# Trig functions

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1. Can somebody show how - sec2x/ tan2x = -coesec2x.
2. (Original post by Banana ice-cream)
Can somebody show how - sec2x/ tan2x = -coesec2x.
Interesting hour to be doing maths.

If you are ever completely stuck with trig questions, turn everything into sin and cos.
3. (Original post by Banana ice-cream)
Can somebody show how - sec2x/ tan2x = -coesec2x.
Attachment 540195540197 That's a (-sec2x) right?
Attached Images

4. (Original post by SeanFM)
Interesting hour to be doing maths.

If you are ever completely stuck with trig questions, turn everything into sin and cos.
Couldn't go to sleep untill i figured it out. Im so stressed about C3
5. (Original post by Middriver)
Attachment 540195540197 That's a (-sec2x) right?
Thanx. I couldn't figure out that cos2x * tan2x = sin2x
6. (Original post by Banana ice-cream)
Couldn't go to sleep untill i figured it out. Im so stressed about C3
Fair enough. Though I think tackling problems at that hour isn't the best thing to do. Did you figure it out?

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