I am totally lost and have no idea how to do any of these :(

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- January 23rd 2010, 12:23 PMTarwaminTrigonometric Functions
I am totally lost and have no idea how to do any of these :(

- January 23rd 2010, 12:33 PMVonNemo19
- January 23rd 2010, 12:34 PMTarwamin
yes..but my teacher said it was all wrong

- January 23rd 2010, 12:37 PMVonNemo19
- January 23rd 2010, 12:43 PMTarwamin
i still have to do #1..i'll show u #2...

2sinx=sin^2+cos^2x

2sinx=1

sinx= 1/2

x= sin (inverse) (1/2)

x= 180/6

x=30

0<30<2(180) - January 23rd 2010, 12:56 PMVonNemo19
- January 23rd 2010, 01:17 PMTarwamin
oops..wrong post :$