Thread: Prove trig question

1. Prove trig question

Prove question
Show that
(cot^2)X/1+(cot^2)X = (cos^2)X
Can you guys help me solve this question please?

2. Originally Posted by mike789
Prove question
Show that
(cot^2)X/1+(cot^2)X = (cos^2)X
Can you guys help me solve this question please?
Hint: what is $1 + \cot^2 x$ ?

3. Originally Posted by mike789
Prove question
Show that
(cot^2)X/1+(cot^2)X = (cos^2)X
Can you guys help me solve this question please?
it is (cosec^2)x

4. yes.

so you now have cot^2x/csc^2x.

write down cot in terms of cos and sine, and also write down csc in the form of sin to complete your problem.