need help with these questions -

solve sin(2x-45) = √ 3 / 2

and

find general solutions of sin2x=cosx

thankyou in advance :)

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- April 27th 2012, 03:47 AMjshine96trig question
need help with these questions -

solve sin(2x-45) = √ 3 / 2

and

find general solutions of sin2x=cosx

thankyou in advance :) - April 27th 2012, 03:55 AMProve ItRe: trig question
- April 27th 2012, 04:00 AMskeeterRe: trig question
- April 27th 2012, 04:09 AMjshine96Re: trig question
sorry, i forgot to add -

solve sin(2x-45) = √ 3 / 2 for -180 ≤ x ≤ 180 - April 27th 2012, 04:12 AMProve ItRe: trig question
- April 27th 2012, 04:25 AMjshine96Re: trig question
sorry.. i still don't get how to solve it :L [i get the first part]

- April 27th 2012, 04:33 AMjshine96Re: trig question
and for this question find general solutions of sin2x=cosx

i understand what you wrote, but confused on what to do next.. do I solve what x is? like 90, 27, 30, 150?