What is the value of csc 450?

A. 1

C. √2

B. √22

D. 0

7. What is the value of sec 300?

A. 1

2

C. 2√

3

3

B. √33

D. 3√

2

2

8. Find the exact value of tan 60° + cot 30°

A. 2√3

C. 1

B. 3

D. 3√

2

2

9. Find the exact value of tan 45° + cot 45° - csc 30°

A. −1

C. 1

B. 0

D. 2

10.Find the exact value of 2(cos 60)° + 2(sin 30°) - tan 60°

A. 2

C. 1

B. √3

D. 2 − √3​