Sunday

December 28, 2014

December 28, 2014

Posted by **Erick** on Monday, December 10, 2012 at 2:24pm.

1. What is the equation for shifting the standard sine curve +2 units horizontally?

A. y = sin (x + 2)

B. y = sin x + 2

C. y = sin x − 2

D. y = sin (x − 2)

3. What is tan-¹ √3/3 ?

A. π/4

B. -π/3

C. π/6

D. -π/4

4. cot–1 −0.57735 is approximately

A. −0.65.

B. −1.05.

C. 2.62.

D. 2.09.

5. What is the period of y=√3sin(1/3x-1/3)?

A. 6π

B. π/3

C. √3π

10. 16. Which of these statements are true??

(i) The domain of the inverse cosine function (y = cos–1 x) is –1 ≤ x ≤ 1.

(ii) The range of the inverse sine function (y = sin–1 x) is 0 ≤ y ≤ p.

(iii) The range of the inverse tangent function (y = tan–1 x) is –p/2 < y < p/2.

A. (i) and (ii)

B. (i), (ii), and (iii)

C. (ii) and (iii)

D. (i) and (iii)

11. What is the frequency of y=tan(π/3x)

A. 1/3

B. 3

C. 1/6

14. How many solutions does the system y=x

y=tan x have?

A. Infinitely many

B. 3

C. None

- Trigonometry -
**Steve**, Monday, December 10, 2012 at 3:25pm1. (D)

3. (C)

4. (B) −0.57735 is -1/√3

5. (A) 2pi/(1/3) = 6pi

10. (D)

11. (C) 1/(2pi/(pi/3))

14. (A)

**Answer this Question**

**Related Questions**

Trigonometry - IM STUCK ON THESE :( 1. What is the equation for shifting the ...

Math - Find the equation of a sine wave that is obtained by shifting the graph ...

matg - transform function f(x)=x^2 into a new function g(x) by shifting f(x)...

trigonometry - Write the equation of the curve in its final position: the graph ...

Math - calculus help needed example: sin-1(-1/2) how do you figure this out? The...

math/Check! - a. An ellipse is formed by stretching the graph of x^2+ y^2=1 ...

someone please chek my math! - a. An ellipse is formed by stretching the graph ...

maths - The head of an industrial machine moves in a straight line horizontally ...

math - Can anyone help w/ these. 1) Solve the equation in the internal [0deg, ...

Precalculus - Verify if my answers are correct. 1. The function y=x^3 has ...