# 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°?

23

**π**/5 cm22

**π**/5 cm24

**π**/5 cm26

**π**/5 cm30s - 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****≤ 3****π/2, find sin****θ + cos****θ.**-51/25

-41/19

-21/19

-31/25

30s - Q12
What is the reference angle of - 29

**π**/ 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

16 - 4

**√**13/916 - 7

**√**13/817 - 4

**√**13/915 - 6

**√**13/730s - 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