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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Geometry
8.4 Relations between Sin θ, Cos θ and Tan θ

The ratios sin θ, cos θ and tan θ of an angle are very closely related. If one of them is known, the other two can be easily determined.

Example:
If sin θ = 3/5, find tan θ, θ is acute.
cos θ = 4/5
tan θ = sin θ/ cos θ = 3/4


Directions: Answer the following questions. Also write at least ten examples of your own.
Q 1: if sin θ = 1/10, find cos θ .
1/3
3/10
10
1/10

Q 2: Given cos θ = 3/5, calculate the value of sin θ, tan θ.
sin θ = 4/5; tan θ = 4/3
sin θ = 4/5; tan θ = 4/3
sin θ = 4/5; tan θ = 4/3
sin θ = 4/5; tan θ = 4/3

Q 3: If sin θ = 8/17, then tan θ is
8/25
15/17
17/15
8/15

Q 4: If tan B = 3, find sin B, cos B.
sin B = 3/2; cos B = 1/2
sin B = 3/2; cos B = 1/2
sin B = 1/2; cos B = 3/2
sin B = 2; cos B = 1/2

Q 5: If tan C = 11, find sin C. cos C.
1/11
11/122;
11/122
1/122;

Q 6: If sin A = 2/3, find tan A.
2/5;
3/2
1
5/3;

Q 7: If cos A = 1/3, find sin A, tan A.
sin A = 22/3, tan A = 2/3
sin A = 22/3, tan A = 22
sin A = 22, tan A = 22
sin A = 23, tan A = 22/3

Q 8: If cos B = 4/5, find sin B.
3/4
1
3/5
1/2

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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