So here's another problem that's been puzzling me for a couple hours. I got my answer as

---1----does not equal--- 1---but I am very unsure whether this is right

4cos^2x---------------cos^2x

Here's the question

Prove that:

2csc2xtanx=sec^2x

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- May 15th 2010, 11:17 AMtallguywhoplaysguitarAnother prove: double angles
So here's another problem that's been puzzling me for a couple hours. I got my answer as

__---1----__does not equal__--- 1---__but I am very unsure whether this is right

4cos^2x---------------cos^2x

Here's the question

**Prove that:**

2csc2xtanx=sec^2x - May 15th 2010, 02:11 PMskeeter
- May 16th 2010, 11:48 AMtallguywhoplaysguitar
thanks, I was getting it wrong in the first step by placing the 2 in the denominator