# Sine, Cosine, And Tangent Of The Unit Circle

10 Questions | Total Attempts: 142  Settings  With this assessment test, you will figure out how the trigonometric ratios are reached out to all real numbers using algebra or polynomial math.

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• 1.
Which is a main function used in trigonometry?
• A.

Sine

• B.

Cosec

• C.

Sectan

• D.

Tanec

• 2.
The ratio of the length of the side that is opposite an angle to the length of the longest side of the triangle (the hypotenuse) is...
• A.

The sine of the angle

• B.

Square of the angle

• C.

Ratio

• D.

Square root

• 3.
What is used to understand sines and cosines of angles found in right triangles?
• A.

Angle

• B.

Unit circle

• C.

Line

• D.

Arc

• 4.
At what point is the origin of the unit circle located?
• A.

• B.

Outside

• C.

Inside

• D.

Centre

• 5.
A circle with a radius of one is referred to as...
• A.

Circumference

• B.

Arc

• C.

Unit circle

• D.

Semicircle

• 6.
What is the circumference of the unit circle?
• A.

2pi

• B.

Pi

• C.

3pi

• D.

1/2pi

• 7.
The radian measure of the arc on a circle corresponding to a given value of tangent is referred to as...
• A.

Arctan

• B.

Arc

• C.

Segment

• D.

• 8.
What is the reciprocal of the tangent function?
• A.

Sec

• B.

Cotangent

• C.

Tansec

• D.

Cosec

• 9.
What is the inverse of the tangent function?
• A.

Sine

• B.

Cosine

• C.

Secant

• D.

Arctangent

• 10.
What is the complementary trigonometric function of the sine?
• A.

Sec

• B.

Tangent

• C.

Cosine

• D.

Tan