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September 21, 2014

September 21, 2014

Posted by **patrick** on Saturday, September 15, 2012 at 4:47pm.

(b) Find the exact value of the six trigonometric functions of A,

(c) Let B be the reference angle of A. Find a point on the terminal rsy of B in standard position and add B to your sketch.

- trig -
**Reiny**, Saturday, September 15, 2012 at 7:49pmconstruct your right-angled triangle by drawing a perpendicular to the x-axis from (1,-4)

then r^2 = x^2 + y^2 = 1 + 16

r = √17

b)

sinA = -4/√17

cscA = -√17/4

cosA = 1/√17

secA = √17

tanA = -4/1 = -4

cotA = -1/4

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