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2
sin
cos
cot,
cos
sin
tan
3 sin csc=1; cos sec=1; tan cot=1
)
2
3
sin(
cos
)
2
15
(ctg
=
tg
)3(tg
tg
4
1sin(2k + )_____cos(2k+ ) _____tan(2k+)____
2sin( )_______ cos( )_______ tan()_______
3sin( ) _______ cos( ) _______ tan( )_______
4sin( +)_______ cos( +)_______ tan(+) _______
5sin(2)_______ cos(2)_______ tan(2 )_______
1sin(90
0
)_______ cos(90
0
) _______ tan(90
0
)_______
2sin(90
0
)_______ cos(90
0
) _______ tan(90
0
)_______
3sin(270
0
)_______ cos(270
0
)_______ tan(270
0
)_______
4sin(270
0
)_______ cos(270
0
)_______ tan(270
0
)_______
5
1 sin( ) ___
sincoscossin
________ cos( )
sinsincoscos
tan( )___________
tan tan tan( )1 tan tan
a
sinx+
b
cosx
22
ba
22
ba
a
sinx+
22
ba
b
cosx
22
ba
sin(x+),
( cos=
22
ba
a
sin=
22
ba
b
tan =
a
b
)
2 sin2 2sincos cos2cos
2
sin
2
2cos
2
1=12sin
2
sin2=
2
tan1
tan2
cos2=
2
2
tan1
tan1
tan2=
2
tan1
tan2
sin
2
2
2cos1
cos
2
2
2cos1
1+sin =sin
2
2
+ cos
2
2
2
1sin =sin
2
2
cos
2
2
2