can u help with these 2 exercises?: 1) which are the solutions to the equation tanx=2cotx,in the interval -180<x<180?...2) Which is the value of arcsin1/2-arcsin(-1/2).. i will be glad if you could help me(Rofl)

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- March 16th 2013, 04:54 AMendriTrigonometry
can u help with these 2 exercises?: 1) which are the solutions to the equation tanx=2cotx,in the interval -180<x<180?...2) Which is the value of arcsin1/2-arcsin(-1/2).. i will be glad if you could help me(Rofl)

- March 16th 2013, 05:36 AMProve ItRe: Trigonometry

Edit: I naturally put the answer in radians when it should have been degrees. You can fix that :) - March 16th 2013, 08:15 AMSorobanRe: Trigonometry
Hello, endri!

Quote:

We have: .

Therefore: .

Quote:

Using principal values: .

Therefore: .

- March 16th 2013, 12:27 PMendriRe: Trigonometry
thanks for your help man ;)