# Precal

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Find the exact values of tangent and cosecant for angle theta in standard position whose terminal side passes through the point (16,-4)

• Precal -

the angle is in QIV.
tanθ = -4/16, so
cscθ = -4/4√17 = -1/√17

• Precal -

find the exact value of sec theta for angle theta in standard position if the point -3,2 lies on its terminal side

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