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by solving do you mean proving?

Yes. :)

What methods have been discussed?

We are solving for x not proving this. This isn't an identity.

Or does it say to disprove or prove?

Ah yes, my bad. It says solve.

Can you tell me what methods in class have been discussed?

can you tell me what methods the book has discussed?

None. It's a book of only problems. It starts from Geometry and works it's way up in problems.

Name of book please

Math Review for the High School Classroom

I looked for it online and can't find it.

I didn't see the book. :(
So there are no examples?

No examples, just questions. :c How did you learn it?

Honestly, I don't know without seeing some example or them mentioning some method they want to use.

Ah, okay. Thanks, anyway. :)

oh

Are the angles in radians or degrees?

I'll assume degrees for now.

Degrees, yeah. ^^

@myininaya tan(a+90) = -1/tan(a), since they're perpendicular.

|dw:1388481204906:dw|

I don't like the x squared part much.

Series solution is what I'd prefer to us,e but not without an attempt with standard algera.

even wolf doesn't give integral or rational solutions...

No simple way to solve at that level.

First I'd have to convert all to radians.

Then find a way to represent the equation as a DE, or simply use the Taylor power series.

what is equivalent to a (1 radian) squared?
That bugs me. The little square there.

What I'm saying is I'm not used to looking at angles being squared

|dw:1388481895287:dw|

It will be extensive, but in the end, there might be real solutions.

x^2 and 45 will have different units

we have x^2=a^2 (degs)^2
and 45 is just in degs not degs^2

And with a lot of restrictions to be imposed.

Don't think you used radians. Wolfram is radians by default.

Maybe it doesn't like the unlike units being added either
idk