Summary
Summary Trigonometry
- Course
- Mathematics
- Institution
- 10th Grade
Explanations, tips and example questions of trigonometric expressions, equations, functions and more.
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TRIGONOMETRY, Basictrigmn
9,0° ✓
reference
angle
ÉPPiteo
=
Y
sin =
) r
x
=
cos
r
y
tan =
x
Doo
x (with / adj to 0)
Example :
5
A
sin @ -13
=
' 3
r @ =
ys cos
to tan0=É
B C
'
22C
I put straight into calc )
.
Trig calculations :
• 35° tan 54°+ tan 25° ( put )
cos
straight into calc .
=
0,82
=
1184
no
•
5 cos 60° -25 sinus
°
( put trig' '
part in brackets )
=
5(cos( 60)) =
-2,26
=
2,5
-
cos 223,4
sin
>
23,4° ( if squared trig part
' '
2 brackets with
•
put in
( cost > 3,4))Z
,
-
=
(sin(23,4))Z =
z outside of bracket)
square on
=
0,16
=
-0,42
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