Pre-Calc/Math
Use factoring, the quadratic formula, or identities to solve cos(x)+1=sin^(2)x. Find all solutions on the interval [0, 2pi)
Pre-Calc/Math
Prove Identity: (1-cos2x/ tan x) = sin2x
Pre-Calc/Math
Prove identity: (sec x/csc x) + (sin x/cos x)=(2/cot x)
English
Place a comma where necessary and a semicolon where necessary. 1) I will not buy that that carp it is far too expensive. 2) He still cannot use Word consequently, Tara must stay here. 3) I noticed the baker, Ian, jogging in the park every day but he never seemed to get any sli...
Pre-Calc/Math
If cosx= -2/3 and pi/2, find the exact value of cos(pi/3-x)
Pre-Calc/Math
Ohh it was hard me :/ .Do you think you can answer my other questions?
Pre-Calc/Math
Ohh it was hard me :/ .Do you think you can answer my other questions?
Pre-Calc/Math
Thank You! :D
Pre-Calc/Math
Prove the identit: cosxcotx+sinx=cscx
Pre-Calc/Math
Given cos x=2/3 and 3pi/2<x<2pi, find the exact value of cos2x?
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