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Trigonometric Functions + Analytic Trigonometry Flashcards | StudBud
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Trigonometric Functions + Analytic Trigonometry
Trigonometric Functions + Analytic Trigonometry
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#precalculus #trigonometry
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Questions
11
Answers
1
1/(cotx)
secx
tanx
cscx
sinx
2
Convert radian to degree
degree=radian*(π/180)
degree=(π/180)*radian
degree=radian*(180/π)
degree=(180/π)*radian
3
cos(u+v)=?
cosusinv+cosusinv
cosucosv-sinusinv
cosucosv+sinusinv
cosusinv-cosusinv
4
secxcosx=?
1/(cos2x)
1
-1
1/(cosx)
5
-tanx=?
tanx
tan(-x)
tan(-x)
tanx
6
cosx=1/2
30
90
60
45
7
sin120=?
1
√3/2
-1
0
8
tan(u-v)
(tanu+tanv)/1-tanutanv
(tanu-tanv)/1+tanutanv
(tanu-tanv)/1-tanutanv
(tanu-tanv)/1+tanu+tanv
9
cos(π/2-x)=?
secx
-sinx
sinx
-cosx
10
sinxsecx=?
tanx
tanx
1
1
11
Which one of the following is a power-reducing formula?
sin2u = (1-cos2u)/2
tan2u = (2tanu)/1-tan2u)
cos2u = 1-2sin2u
sin2u = 2sinucosu
