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