anonymous
  • anonymous
Please Help! :3
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
What do u Need help with
anonymous
  • anonymous
If \[f(x)=\frac{ 3 }{ 2}\sqrt{1+\tan x} \times \sec ^{2} x\] then find f(0)
anonymous
  • anonymous
...What math are you in?

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DanJS
  • DanJS
do you know how to determine the tangent of an angle
DanJS
  • DanJS
If you look at the unit circle of radius 1, the tangent is y/x for any point on the circle
DanJS
  • DanJS
of the angle is zero degrees, you are on the +x axis, and y/x will be zero, so tangent of zero is 0...
DanJS
  • DanJS
secant , is 1/cos(x), any point on the circle is (x , y ) = (cos , sin ) the x coordinate for zero degrees (+x axis) , is 1
DanJS
  • DanJS
put those values in and solve... f(0) http://www.mathsisfun.com/geometry/unit-circle.html
anonymous
  • anonymous
So is the answer 3/2?
DanJS
  • DanJS
yep
anonymous
  • anonymous
Oh, Thanks!

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