sin(x+y)+sin(x-y)=2sinxcosy

sin(x+y)+sin(x-y)=2sinxcosy

y=-log(3)x+2. Find domain, x-intercept and vertical asymptote, I also have to sketch a graph

2(x-5)^2=17 How do I solve this using extraction of square roots? HELP!!

use either the binomial theorm or pascal's triangle

what is the multi-rule definition for the abs (X^2-2x-8)? I know that x=4 and x=-2 I don't know how to come up with multi-rule

The worksheet deals withb trigonometric identities and we have to prove each of them. I'm stumped on this one. Please, if you could help, I'd highly appreciate it!

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