Posted by Erick on .
IM STUCK ON THESE :(
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 ?
4. cot–1 −0.57735 is approximately
5. What is the period of y=√3sin(1/3x-1/3)?
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)
14. How many solutions does the system y=x
y=tan x have?
A. Infinitely many
4. (B) −0.57735 is -1/√3
5. (A) 2pi/(1/3) = 6pi
11. (C) 1/(2pi/(pi/3))