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7/25/2019 Trigonometry-revision_guide.pdf
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Maths Extension 1 Trigonometry
Trigonometry
Trigonometric Ratios
Exact Values & Triangles
Trigonometric Identities ASTC Rule
Trigonometric Grahs
Sine & Cosine Rules
Area o! a Triangle
Trigonometric E"uations
Sums and #i!!erences o! angles
#ou$le Angles
Trile Angles %al! Angles
T !ormula
Su$sidiary Angle !ormula
General Solutions o! Trigonometric E"uations
Radians
Arcs Sectors Segments
Trigonometric 'imits
#i!!erentiation o! Trigonometric (unctions
Integration o! Trigonometric (unctions Integration o! sin)x and cos)x
I*VERSE TRIG*+METR,
In-erse Sin Grah #omain Range .roerties
In-erse Cos Grah #omain Range .roerties
In-erse Tan Grah #omain Range .roerties
#i!!erentiation o! In-erse Trigonometric (unctions Integration o! In-erse Trigonometric (unctions
htt/00!atmusclec2$net 1
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Maths Extension 1 Trigonometry
Trigonometric Ratios
Sine sin 3hypotenuse
opposite
Cosine cos 3hypotenuse
adjacent
Tangent tan 3adjacent
opposite
Cosecant cosec 3sin
13
opposite
hypotenuse
Secant sec 3 cos1
3 adjacenthypotenuse
Cotangent cot 3tan
13
opposite
adjacent
sin 3 ( )45cos
cos 3 ( )45sin
tan 3 ( )45cot
cosec 3 ( )45sec
sec 3 ( )45cosec
cot 3 ( )45tan
65 seconds 3 1 minute 6577 3 1765 minutes 3 1 degree 657 3 18
cos
sintan =
sin
coscot =
htt/00!atmusclec2$net )
9
9
hyotenuse
hyotenuse
oosite
ad2acent
ad2acent
oosite
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Maths Extension 1 Trigonometry
Exact Values & Triangles
58 :58 658 ;
7/25/2019 Trigonometry-revision_guide.pdf
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Maths Extension 1 Trigonometry
ASTC Rule
(irst >uadrant/ Allositi-esin sin ?cos cos ?tan tan ?
Second >uadrant/ Sine ositi-e
( )1=5sin sin ?( )1=5cos cos ( )1=5tan tan
Third >uadrant/ Tangent ositi-e( )+1=5sin sin ( )+1=5cos cos ( )+1=5tan tan ?
(ourth >uadrant/ Cosine ositi-e( ):65sin sin ( ):65cos cos ?( ):65tan tan
htt/00!atmusclec2$net ;
:65
5
458
1=58
)@58
S A
T C
1st>uadrant
;th>uadrant
)nd>uadrant
:rd>uadrant
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Maths Extension 1 Trigonometry
Trigonometric Grahs
Sine & Cosine RulesSine Rule/
C
c
B
b
A
a
sinsinsin== +R
c
C
b
B
a
A sinsinsin==
Cosine Rule/Abccba cos)
))) +=
htt/00!atmusclec2$net