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Worksheetstrignometry
Total questions: 9
Worksheet time: 5mins
Name
Class
Date
1.
The value of sin2 θ+ tan2θ1 is equal to
a)
tan2 θ
b)
1
c)
cot2 θ
d)
0
2.
tan θ cosec2 θ – tan θ is equal to ………………
a)
sec θ
b)
cot2 θ
c)
sin θ
d)
cot θ
3.
If (sin α + cosec α)2 + (cos α + sec α)2 = k + tan2 α + cot2 α, then the value of k is
a)
9
b)
7
c)
5
d)
3
4.
If sin θ + cos θ = a and sec θ + cosec θ = b , then the value of b (a2 – 1) is equal to
a)
2a
b)
3a
c)
0
d)
2ab
5.
If 5x = sec θ and x5 =tanθ then x2−x21 equal to
a)
25
b)
251
c)
5
d)
1
6.
If sinθ = cosθ then 2tan2θ+sin2θ−1 is equal to
a)
2−3
b)
23
c)
3−2
d)
32
7.
If x = a tan θ and y = b sec θ then …………..
a)
b2y2−a2x2=1
b)
a2x2−b2y2=1
c)
a2x2+b2y2=1
d)
a2x2−b2y2=0
8.
(1 + tan θ + sec θ) (1 + cot θ – cosec θ) is equal to ……………
a)
0
b)
1
c)
2
d)
-1
9.
a cot θ + b cosec θ = p and b cot θ + a cosec θ = q then p2 – q2 is equal to
a)
a2 – b2
b)
b2 – a2
c)
a2 + b2
d)
b-a
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