Man our whole class struggled at this one the whole period.
Solve for x
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OOOhh! nevermind question 1!
I just remembered that after 2 hours of deliberation between everyone in the class + 1, I finally got it.
I got up to on question 2
On the last one.
PLEASE HELP T.T
I assume you know the Double- and Half-angle Identities. . . Here's #2 . . . 2) Prove: .
We have: .
Originally Posted by Freaky-Person 3. My calculator says this is false.
Originally Posted by DivideBy0 My calculator says this is false. yeah, i think..
i was able to show
Hello, Freaky-Person! 1. Solve for
We have: . . . . . . . . . . .
And we have two equations to solve . . .
Divide by . . . .
Quadratic Formula: . . . Hence: .
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