Homework Help: Math-gr12

Posted by Diana on Monday, January 11, 2010 at 9:28pm.

How would I solve this equation for x in the interval 0<x<2pi

tan^2x sinx - sinx/3 = 0

Please explain it step by step..ive been stuck on this question for far too long..sigh

Math-gr12 - Marth, Monday, January 11, 2010 at 9:52pm
Try factoring out sin(x).
Math-gr12 - Diana, Monday, January 11, 2010 at 10:03pm
how would i do that?
Math-gr12 - Marth, Monday, January 11, 2010 at 10:32pm
tan^2(x)*sin(x)-sin(x)/3 = 0

can be rewritten as

sin(x) [ tan^2(x) - 1/3] = 0

which is solvable.

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