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Worksheetseven/odd, sin(x+-y)
Total questions: 7
Worksheet time: 9mins
Name
Class
Date
1.
Есепте
a)
21
b)
23
c)
−21
d)
-1
2.
cos(−43π)
Find the exact value using even-odd properties.
a)
−22
b)
22
c)
-1
d)
21
3.
tan(−4π)
Find the exact value using even-odd properties.
a)
1
b)
-1
c)
22
d)
−3
4.
Жұп функцияны тап:
a)
tan(-x)=tan(x)
b)
sin(-x)=sin(x)
c)
cot(-x)=cot(x)
d)
cos(-x)=cos(x)
5.
What is the formula to find sin(x+y)?
a)
sin(x)⋅cos(y)−sin(y)⋅cos(x)
b)
sin(x)⋅cos(y)+sin(y)⋅cos(x)
c)
sin(x)⋅cos(y)−sin(x)⋅cos(y)
d)
sin(x)⋅cos(y)+sin(x)⋅cos(y)
6.
What is the formula to find sin(x-y)?
a)
sin(x)⋅cos(y)−sin(y)⋅cos(x)
b)
sin(x)⋅cos(y)+sin(y)⋅cos(x)
c)
sin(x)⋅cos(y)−sin(x)⋅cos(y)
d)
sin(x)⋅cos(y)+sin(x)⋅cos(y)
7.
Calculate
sin(15°)
a)
46+2
b)
46−2
c)
42−6
d)
4−6−2
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