True or false?
How do you figure that out?
(picture below)

Question

True or false?
How do you figure that out?
(picture below)

anonymous · Answer

attachment

shubhamsrg · Answer

what did you do ?

anonymous · Answer

I haven't done anything, that's the question..

anonymous · Answer

i think you are supposed to replace $x$ by $60$ and see if you get the same answer on both sides

shubhamsrg · Answer

lol 
i meant,,what have you tried in the question! :D

anonymous · Answer

since $\frac{60}{2}=30$ the left hand side will be 
$$\tan(30)=\frac{1}{\sqrt 3}$$

anonymous · Answer

oh, @shubhamsrg I haven't tried anything because I didn't know what I was doing :P
@satellite73 I'll try that & see what I get. But I didn't know if I'd have to use the equation tan(x/2)=sqrt((1-cosx)/(1+cosx))

anonymous · Answer

that is not the way i read the question
is does say $x=60$ right? 
also i am confused because the denominator is written as $\sin^2(x)\sin(x)$ which is usually written as $\sin^3(x)$
is there a typo there?

anonymous · Answer

Maybe? I just took a screen shot of the question.. but it has said things like that before in other lessons, so they may have meant it that way.

& Thanks for helping y'all!

anonymous · Answer

then i would go with what it says.

anonymous · Answer

Okay, thanks so much:)

anonymous · Answer

& I got 4sqrt(3)/3 so I think it's false

anonymous · Answer

i get http://www.wolframalpha.com/input/?i=%281-cos%2860%29%29%2F%28sin^3%2860%29%29 and it is indeed false

anonymous · Answer

That's what I meant :P