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Pre calc final
Pre calc final
25 terms
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Questions
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Answers
1
What is tan 45 degrees?
0
1
1/√3
√3
2
What is the general form of unit circle?
x²+y²=0
x²−y²=1
x²+y²=1
x²−y²=−1
3
What is tan 90 degrees in radians using unit circle?
tanπ/3
tanπ/2
tanπ/6
tanπ/4
4
Simplify: cos^2x-3sin^2x
cos^2x
sin^2x
1-5sin^2x
1-4cos^2x
5
If the angle is formed in a counterclockwise direction from the start point in an x-y plane, then it is
Positive
None of these
negative
Positive or negative
6
In an exponential function, the independent variable or the x-value is the exponent, while the base is ________.
A constant
Variable Y
A or B
None above
7
Given sides a=10, b=5 and angle ∠A=100°. Find the corresponding value for ∠B.
29.5 degrees
60 degrees
-29.5 degrees
5 degrees
8
What is the relationship between the sides of the sine function?
Hypotenuse/Perpendicular
Perpendicular/Hypotenuse
Perpendicular/Base
Base/Hypotenuse
9
If sin(46.5°)/x = sin(39.4°)/7, then x is?
9
11
8
10
10
Simplify the expression so that only one calculation would be needed in order to evaluate. 1-2sin ^2 (32)
cos (60)
tan (60)
cos(64)
sin (60)
11
Identify the even function from the following.
secx
sinx
cosecx
tanx
12
The three primary functions of trigonometry are
Cosine, cotangent, secant
Sine, tangent and secant
Sine, cosine and tangent
Cosecant and cotangent
13
What is the value of 4cos0°−4sin0°+sec0°?
0
3
5
1
14
Triangle PQR has ∠P = 63.5° and ∠Q = 51.2° and r = 6.3 cm. Find the other two sides and unknown angle.
∠ R = 65.3°, p = 6.21 cm and q = 4.40 cm
∠ R = 65.3°, p = 6.21 cm and q = 5.40 cm
∠ R = 65.3°, p = 3.21 cm and q = 4.40 cm
∠ R = 65.3°, p = 5.21 cm and q = 5.40 cm
15
Which of the following is not a odd function?
cotx
cosx
cosecx
sinx
16
Fill in the blank with the correct identity. sin2x=
2 sinx cosx
sinx cosx
1-sinxcosx
1/sinxcosx
17
f(x)=exis a/an
algebric function
exponential function
trigonometric function
logarithmic function
18
Range of the function y=3x+2is-
None of the above
Set of real numbers
Set of real negative numbers
Set of real positive numbers
19
Simplify the expression so that only one calculation would be needed in order to evaluate. 2 sin(25) cos(25)
tan (50)
cos(50)
sin(60)
sin(50)
20
Find all the real solutions to the exponential equatione^3x=−1
−1/ln(3)
ln(−1)/3
0
no real solutions
21
The exponential function f(x)=exis a continuous function with domain Rand range
(−∞,∞)
[0,∞]
(0,∞)
[−∞,∞]
22
triangle are 5.5 and 4.7 respectively. Angle opposite to the side 5.5 is 63 degrees. Find angle opposite to the side 4.7
46.3 degrees
43 degrees
49.6 degrees
None of these
23
A triangle ABC has angle A = 106°, angle B = 31° and side a = 10 cm. Find the other two sides.
6.2 cm and 7 cm
5.4 cm and 7.1 cm
4.4 cm and 6.5 cm
None of these
24
Fill in the blank with the correct identity. Cos2x=
cos^2xsin^2x
cos^2x-sin^2x
sin^2x-cos^2x
cos^2x+sin^2x
25
The relationship between the sides of the tangent function is
opposite/adjacent
Hypotenuse/Adjacent
Oppositeside/Hypotenuse
Hypotenuse/Oppsiteside
