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anonymous

  • one year ago

Please Help! :3

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  1. anonymous
    • one year ago
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    What do u Need help with

  2. anonymous
    • one year ago
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    If \[f(x)=\frac{ 3 }{ 2}\sqrt{1+\tan x} \times \sec ^{2} x\] then find f(0)

  3. anonymous
    • one year ago
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    ...What math are you in?

  4. DanJS
    • one year ago
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    do you know how to determine the tangent of an angle

  5. DanJS
    • one year ago
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    If you look at the unit circle of radius 1, the tangent is y/x for any point on the circle

  6. DanJS
    • one year ago
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    of the angle is zero degrees, you are on the +x axis, and y/x will be zero, so tangent of zero is 0...

  7. DanJS
    • one year ago
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    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

  8. DanJS
    • one year ago
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    put those values in and solve... f(0) http://www.mathsisfun.com/geometry/unit-circle.html

  9. anonymous
    • one year ago
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    So is the answer 3/2?

  10. DanJS
    • one year ago
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    yep

  11. anonymous
    • one year ago
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    Oh, Thanks!

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