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WorksheetsTrig Identity Check
Total questions: 9
Worksheet time: 4mins
Name
Class
Date
1.
Please select the correct solution
cos 2 x + sin 2 x=
cos 2 x + sin 2 x=
a)
1
b)
csc 2 x + sec 2 x
c)
sin 2 x
d)
1 - sin 2 x
2.
Rewrite tan(x) in terms of sin(x) and cos(x).
a)
tan(x) = cos(x)/sin(x)
b)
tan(x) = 1/cot(x)
c)
tan(x) = sin(x)/cos(x)
d)
tan(x) = opp/adj
3.
What is csc(x) equivalent to?
a)
1/sin(x)
b)
1/tan(x)
c)
sin(x)
d)
1/cos(x)
4.
Simplify
a)
sin²θ
b)
cosθ
c)
tanθ
d)
1- sin²θ
5.
Simplify
a)
-1
b)
sin θ
c)
csc θ
d)
1
6.
Is this a pythagorean identity?
tan2x + 1 = secx
tan2x + 1 = secx
a)
Yes
b)
No
7.
Simplify this to a basic trigonometry function:
tan(x)csc(x)
tan(x)csc(x)
a)
tanx
b)
secx
c)
cotx
d)
cscx
8.
Simplify csc x1⋅sinx
a)
1
b)
sin2x
c)
cscx
d)
cos2x
9.
Please select the correct solution
a)
csc2 x
b)
cot2 x
c)
sin2 x
d)
sec2 x
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