SOLUTION: Use the given information to find cos 2x, sin 2x, and tan 2x. (Enter your answers in exact form.)
cos x = sqrt(2)/7 ,3π/2 < x < 2π
a)cos 2x
b)sin 2x
c)tan 2
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Question 737549: Use the given information to find cos 2x, sin 2x, and tan 2x. (Enter your answers in exact form.)
cos x = sqrt(2)/7 ,3π/2 < x < 2π
a)cos 2x
b)sin 2x
c)tan 2x
I know that for cos 2x, the answer will be #/49 but that is really as far as I got
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Use the given information to find cos 2x, sin 2x, and tan 2x. (Enter your answers in exact form.)
cos x = sqrt(2)/7 ,3π/2 < x < 2π
a)cos 2x
b)sin 2x
c)tan 2x
***
let O=opposite side
let A=adjacent side
let H=hypotenuse
..
...
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