1. Determine the exact value of csc 4.
+/2
2. Determine the exact value of sin
a.
a.
a.
a.
-2
3x
3. Determine the exact value of sec
2
0
b.
a.
cotx
b.
b.
sin(x+y)
a.
7x
√√2
1
C.
4. An equivalent trigonometric expression for lan -A is
b.
—cotx
5. Which compound angle expression is equivalent to cos x cosy + sinx siny?
a.
b.
sin(x-y)
C.
cos(x + y)
√3
2
a. 2
8. The amplitude of the function y sinx is
a.
2x
b.
9. The graph of y= 1 intersects the graph of y- tanx at
I
2
b.
4
C.
C.
T
b. -3
√√3
C.
√3
7. Which graph of the following functions does not have vertical asymptotes?
y = cotx
a.
b.
y = tanx
C.
-1
tanx
cos(x - y)
6. Using the subtraction formulas for sine and cosine, the compound angle formula for tan(x-y) is
tanx + tany
1-tanxtany
b.
tanx-tany
1+tan x tany
tanx + tany
1+tanx tany
d.
10. Determine the amplitude of the sinusoidal function y=-3 sin 2x--
3)]₁
c. 3
11. Determine the phase shift of the sinusoidal function y=-3 sin
a. 2 rad to the right b. 2 rad to the left
C.
C.
X-
C.
C.
d.
d.
d.
d.
d.
1
t
انا
+1.
y = sinx
d.
1|2
+1.
برانه
rad to the left
undefined
none of the above
d.
d.
d.
tanx-tany
1-tanxtany
y = secx
2
T
d. to the right
Fig: 1