Question 1

The study of triangles, focusing on the relationships between their side lengths and angles.

Accepted Answer

Trigonometry

Answer

Plane Trigonometry

Question 2

Which of the following trigonometric functions is considered an "even" function?

Accepted Answer

F(X) = cos X

Answer

F(X) = sin X

Question 3

In spherical trigonometry, what is the upper limit for the sum of the angles of a spherical triangle?

Accepted Answer

Less than 540^0

Answer

Less than 360^0

Question 4

Simplify (csc x) (tan x)

Accepted Answer

sec x

Answer

csc x

Question 5

Find the derivative of f(x) = csc (x)?

Accepted Answer

-cot(x)csc(x)

Answer

tan(x)sec(x)

Question 6

Law of sines can be used to solved the following oblique triangle cases except____

Accepted Answer

aaa

Answer

asa

Answer

saa

Answer

ssa

Question 7

What is the reference angle of 221⁰

Accepted Answer

41 degrees

Answer

581 degrees

Answer

-139 degrees

Answer

14 degrees

Question 8

Find the reference angle of 602 degrees.

Accepted Answer

62 degrees

Answer

26 degrees

Answer

242 degrees

Answer

42 degrees

Question 9

Convert 7 $\pi$ /18 to degree.

Accepted Answer

70 degrees

Answer

80 degrees

Answer

90 degrees

Answer

60 degrees

Question 10

If sin $\pi$ = 0.6, find cos $heta$ is in the first quadrant?

Accepted Answer

0.8

Answer

0.9

Answer

0.6

Answer

0.7

Question 11

What is cos60 + sin30?

Accepted Answer

1

Answer

-1

Answer

-1/2

Answer

1/2

Question 12

What is the simplest form of 2cos $\pi$ /sin 2 $heta$ ?

Accepted Answer

csc <math>	heta</math>

Answer

sec <math>	heta</math>

Answer

cot <math>	heta</math>

Answer

sin <math>	heta</math>

Question 13

Which of the following is equal t sec x - cos x?

Accepted Answer

sin x tan x

Answer

sin x cot x

Answer

csc x tan x

Answer

sec x tan x

Question 14

What is the simplest form of (sin 1/2x-cos 1/2x)?

Accepted Answer

1 - sin x

Answer

1 + sin x

Answer

1 + cos x

Answer

1-cos x

Question 15

Simplify cos x csc /cot²x

Accepted Answer

cos x

Answer

cot x

Answer

sin x

Answer

tan x

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