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WorksheetsInverse Trig Practice
Total questions: 16
Worksheet time: 10mins
Name
Class
Date
1.
Which of these is not the same?
a)
sin-1 (0)
b)
cos-1 (1)
c)
tan-1(1)
d)
sec-1(1)
2.
What is sin(½π)?
a)
0
b)
1
c)
π, 180⁰
d)
90⁰
3.
What is arccos(0) ?
a)
½π, 90⁰
b)
π, 180⁰
c)
1
d)
none of these
4.
What is sin(arccos0)?
a)
0
b)
1
c)
½π, 90⁰
d)
π, 180⁰
5.
What is arcsin(√2/2)?
a)
¼π, 45⁰
b)
⅓π, 60⁰
c)
½π, 90⁰
d)
π, 180⁰
6.
What is cos-1(½)?
a)
¼π, 45⁰
b)
⅓π, 60⁰
c)
½π, 90⁰
d)
π, 180⁰
7.
What is tan(cos-1(-1))?
a)
undefined
b)
0
c)
½
d)
1
8.
What is tan(sin-1(1))?
a)
undefined
b)
0
c)
½
d)
1
9.
Where is tangent undefined?
a)
...-½π, ½π,...
b)
...,0, π,...
c)
...,-¼π,¼π,...
d)
tangent is defined everywhere
10.
Evaluate arcsin[cos(3π)]
a)
-1
b)
-½π,-90⁰
c)
-π, -180⁰
d)
none of these
11.
What is tan(¾π)? or What is tan (135⁰)?
a)
-1
b)
0
c)
1
d)
undefined
12.
Evaluate cos-1[tan(¾π)] or cos-1[tan(135⁰)]
a)
0
b)
½π, 90⁰
c)
¾π, 135⁰
d)
π, 180⁰
13.
Which of these has the same value as cot-1(3)?
a)
tan (3)
b)
cot (⅓)
c)
tan-1(⅓)
d)
3 tan-1(⅓)
14.
Which of these has the same value as sec-1(2)?
a)
cos-1(2)
b)
cos-1(½)
c)
sin-1(½)
d)
csc-1(2)
15.
Evaluate csc-1(2)
a)
-⅓π, -60⁰
b)
⅓π, 60⁰
c)
⅔π, 120⁰
d)
⅙π, 30⁰
16.
Evaluate sec-1(-2)
a)
-⅓π, -60⁰
b)
⅓π, 60⁰
c)
⅔π, 120⁰
d)
⅙π, 30⁰
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