Solve (-2pi , 2pi) what trig identities do you use?
Follow Math Help Forum on Facebook and Google+
Originally Posted by VkL Solve (-2pi , 2pi) what trig identities do you use? most important one you need to use ...
and what do you do with the tangent?
Originally Posted by VkL and what do you do with the tangent? you solve the equation.
Oh, Ok I see, How you got that. But I still cannot solve it? I got it down to sin(x/2)-Cos(x/2) = 0
Originally Posted by VkL Oh, Ok I see, How you got that. But I still cannot solve it? I got it down to sin(x/2)-Cos(x/2) = 0 ... where does in the given interval?
Pi/2 ??
Originally Posted by VkL Pi/2 ?? that's one of the solutions in the interval ... there is another.
View Tag Cloud