I. Let us find out how much you already know about the topics in this module. Read each

question/statement carefully and write the letter of the correct answer on a separate sheet of

paper.

1. Using a calculator, evaluate sin 650.

a. 0.9063 c. 0.9163

b. 0.9066 d. 0.9156

2. Using a calculator, find the value of tan 450.

a. 4 c. 2

b. 3 d. 1 3. Using a calculator, find the value of cotangent 500.

a. 1 c. 1/2

b. 88.8542 d. 0.8391

4. Using a calculator, evaluate secant 560.

a. 0.5592 c. 1

b. 1.7883 d. 0.8290

5. In the six trigonometric ratios, what is the equivalent of cos ?

a.



ℎ

c.



ℎ

b.
ℎy


d.



6. What is the equivalent of sec ?

a.



ℎ

c.



ℎ

b.
ℎ


d.



7. What is the equivalent of cot ?

a.




c.

ℎ



b.



d.
ℎ



8. What is the equivalent in degree of cos = 0.5?

a. 300 c. 600

b. 250 d. 900

9. If sec = 1.5557, then what is the value of in whole number?

a. 300 c. 750

b. 500 d. 900

10. If tan =4/5, then is equal to what degree in whole number?

a. 300 c. 800

b. 450 d. 390​