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

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