Trigonometry

Question 1

What trigonometric functions are positive in the second quadrant?

Accepted Answer

sin, csc

Question 2

TRIGONOMETRY

Accepted Answer

A

Question 3

Use the fundamental identities to simplify the expression.

Accepted Answer

-1

Question 4

Solve the equation using the identities. sec2x+tanx-1=0

Accepted Answer

x=0,π x=3π/4,7π/4

Question 5

What trigonometric function does this equation solve for?

Accepted Answer

Sin(x/2)

Question 6

What trigonometric functions are negative in the third quadrant?

Accepted Answer

sin, cos, csc, sec

Question 7

Which of these is not a compound angle formula

Accepted Answer

sinAsinB -cosAcosB

Question 8

Simply the following expression using trigonometric identities: sin2(x)·cot(x)·csc(x)

Accepted Answer

cos(x)

Question 9

Solve the trigonometric equation using identities. 2cosxsinx-cosx=0

Accepted Answer

x=π/2,3π/2 x=π/6,5π/6

Question 10

Find the value of the trigonometric function: tan (-5π/4)

Accepted Answer

-1

Question 11

Find the the complete trigonometric formula. cos(u - v)

Accepted Answer

cos u cos v + sin u sin v

Question 12

Determine the exact values of the three trigonometric functions of the angle θ.

Accepted Answer

Sin: 4/4√2, Cos: -4/4√2 Tan: -4/4

Question 13

Use the sum and difference identities to find the exact values for the following: sin15°

Accepted Answer

√6-√2/4

Question 14

Which of these is not a half angle formulae

Accepted Answer

sin2x = (1+cos 2x)/2

Question 15

Trigonometry

Accepted Answer

-5/3

Question 16

What trigonometric functions are positive in the fourth quadrant?

Accepted Answer

cos, sec

Question 17

TRIGONOMETRY

Accepted Answer

A

Question 18

Trigonometry Question 1

Accepted Answer

A

Question 19

Evaluate the remaining trigonometric functions of the angle Given: tanθ=3/2 and secθ=√(13)/3.

Accepted Answer

cotθ= 3/2, cosθ= 3√(13)/13, sinθ= 2√(13)/13, cscθ=√(13)/2

Question 20

What trigonometric function does this equation solve for?

Accepted Answer

Tan(x/2)

Question 21

Which of the following are even trigonometric identities?

Accepted Answer

cos(-u)=cosu , sec(-u)=secu

Question 22

Which of the following trigonometric identities is true?

Accepted Answer

cosec2 θ - 1=cot2θ

Question 23

Chapter 04: Trigonometric Functions

Accepted Answer

b

Question 24

Trigonometry

Accepted Answer

-cos x

Trigonometry

Questions 24

Trigonometry

Questions 24