sqrt 2sinx + sin2x=0 for all values of x. Thank you.

Follow Math Help Forum on Facebook and Google+

I'll assume that was meant to say 'solve' for all values of x. Originally Posted by Trigon sqrt 2sinx + sin2x=0 for all values of x. We have . Thus either or . Recall that and . Then we have or . We can simply write this as , where or zero. Also

Last edited by mr fantastic; Mar 5th 2011 at 02:41 AM.

Originally Posted by TheCoffeeMachine where or zero. includes 0 Originally Posted by TheCoffeeMachine Also Cant we also write

Originally Posted by cupid includes 0 You're right, of course. Cant we also write We can. But the aggregate values given by and are the same, so it doesn't matter which one we write.

View Tag Cloud