**Unformatted text preview: **Trigonometric
Functions 4.2 Page 286 # 80 (height of a mountain) 13 Cosine Sine Tangent Cotangent Secant Cosecant II III Cosine Sine Tangent Cotangent Secant Cosecant I
IV Cosine Sine Tangent Cotangent Secant Cosecant Cosine
Sine Cotangent Cosine Sine Tangent Cotangent Secant Cosecant Tangent Secant Cosecant Trig Function of any Angle adjacent Ex: t
po
hy e
us
en 1. Graph the point
2. Create the triangle
3. Find the 3 rd side 4. Identify opp, adj, and hyp
5. Evaluate trig functions 6. Check = = = opposite Hypotenuse is ALWAYS positive = = = Trig Function of any Angle Sketch the graph of the angle with tan
is in Q4. Label the angles and sides
To minimize errors,
use a positive value to
find the missing side
length. adjacent hy
p ot en
us
e opposite = = = adjacent hy
po
t en
us e opposite = opposite = hy
p ot
en
us
e adjacent = is in Q II , = = = is in Q I , p
hy e
s
nu
e
ot adjacent opposite = = adjacent = se
nu
te
po hy opposite Sine values in Q II and Q I are the Cosine values in Q II and Q I are ...

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