Need help with Pre_calculus: Verifying Trig Identities
Need help with Pre_calculus: Verifying Trig Identities
This is the first part that I do not understand: (We have to verify the identities according to the fundamental identities)
1) tan x +sec x = cos^2 x/ 1-sin x
2) 1/1+ cos x+ 1/1-cos x = 2 csc^2 x
We have to solve the equation on this part:
1) cos x = 3 cos x – 2
2) 2 sin^2 x-1 = 0
3) 3 sec^2x – 4 = 0
4) tan x (tanx-1) = 0
5) cos2x +3 cos x-1 = 0
6) sec^2 x + tan x-1 = 0
And I also added a file because I do not understand how to do this either. I mean I did a couple of problems on that page, but I am messing up on certain steps. I asked my instructor for help, but he is very vague when it comes to explaining.
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