Beginner Trig for Grade 11 Functions MC3RU

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Grade 11 MC3RU functions
-E
triangles l e c i a l

45
2
S Cal T
E 2
15
I



45 60
:
:


30 :




1 5




vigratios
Titan Sin
I
02360
is n
a :



52 At
st c
inisona cos :
I
tan
:


Tractice
:



4) fanllo
Sinotc
quadrante
F 2 + = 2
200 goo Sign :
angle 20 :




1800
-
2)Singosin45
ina >
X




2850
3608

Y


I
=




5) radius :
52 + 11 = 25 + 121 = T46
V
15

=

T ! T46 12 08
= .




"
Trig ratios :

3) Sin 3150 · Sin
-
1s -10 -
55 is
X H =
0 . 91


Cos
E 0 41




Quadrant
-
5 = .




- 10

tan =
.2
2



ange.a -


Y

Determining the angle
%

360

a
=tart

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