Summative in Precalculus
Quiz by Farolito Arbiol
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- Q1
In which quadrant does -285° angle lie?
II
IV
III
I
30s - Q2
To convert radians to degrees, we use the formula of ___________.
π/180
180/π
bi/π
180/bi
30s - Q3
Using a calculator, express 95° 45 ‘ 45 ” in decimal degrees.
95.7625°
65.4532°
56.9071°
95.5627°
30s - Q4
How many degrees is 1 and 1/5 of a complete revolution?
337°
298°
312°
432°
30s - Q5
How many radians is 11/5 of a complete revolution?
17/5 π radians
21/5 π radians
19/5 π radians
22/5 π radians
30s - Q6
What is the length of an arc of a circle with radius 4 cm that subtends a central angle of 216°?
23π/5 cm
22π/5 cm
24π/5 cm
26π/5 cm
30s - Q7
Find the length of an arc of a circle with a radius of 6/π cm that subtends a central angle of 99°.
35/10 cm
27/10 cm
33/10 cm
29/10 cm
30s - Q8
What is the smallest positive angle coterminal with 2110° ?
280°
250°
310°
230°
30s - Q9
What is the coterminal angle of 85° ?
245° and -275°
-275° and 445°
125° and -165°
235° and -115°
30s - Q10
If tan A=4/5, determine 2sin A - cosA/3cos A.
1/4
1/2
1/5
3/4
30s - Q11
Given sec θ = - 25/24 and π ≤ θ ≤ 3π/2, find sin θ + cos θ.
-51/25
-41/19
-21/19
-31/25
30s - Q12
What is the reference angle of - 29π / 6?
π/2
π/4
π/3
π/6
30s - Q13
For what angle θ in the third quadrant is cos θ= sin 5π /3?
θ = 7 π/6
θ = 5π/4
θ = 13 π/2
θ = 4π/3
30s - Q14
If cos θ > 0 and tan θ = -2/3. Find sec θ + tan θ/ sec θ - tan θ.
16 - 4√ 13/9
16 - 7√ 13/8
17 - 4√ 13/9
15 - 6√ 13/7
30s - Q15
What is sec^2 θ - csc^2 θ, if the terminal point of an arc of length θ lies on the line joining the original at the point (2, -6)?
92/13
80/9
60/7
90/11
30s