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Worksheetstrigonometry 10th
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
a)
30°
b)
60°
c)
45°
d)
90°
2.
In a right triangle, hypotenuse is 10 cm long and an acute angle is 30°. What is the length of the side opposite to this angle?
a)
5 cm
b)
5√2 cm
c)
10 cm
d)
None of the above
3.
In a right triangle, one side other than the hypotenuse is 8 cm and an acute angle is 45°. What is the length of the hypotenuse?
a)
4 cm
b)
8 cm
c)
8√2 cm
d)
None of the above
4.
Given that sin α = ½ and cos β = ½, then the value of α + β is ______
a)
90°
b)
60°
c)
30°
d)
0°
5.
If sin θ = cos θ, then θ is equal to ____
a)
30°
b)
45°
c)
60°
d)
90°
6.
IF SIN 550 = COS θ THEN ( θ +100) =
a)
350
b)
450
c)
550
d)
650
7.
SIN 450 + COS 450
a)
21
b)
2
c)
21
d)
22
8.
If sinA = cosA then A is
a)
21
b)
45
c)
21
d)
None
9.
cos(A-B) is
a)
cosAsinB + sinAcosB
b)
cosA CosB + sinAsinB
c)
cosA CosB - sinAsinB
d)
None
10.
Sin(A+B) is
a)
SinACosB + cosAsinB
b)
SinACosB - cosAsinB
c)
sinAcosB
d)
None
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