Nagwa uses cookies to ensure you get the best experience on our website. Learn more about our Privacy Policy.

Lesson: Exact Values of Reciprocal Trigonometric Ratios

Sample Question Videos

Worksheet • 16 Questions • 1 Video

Q1:

Find c o s ( 7 8 0 ) without using a calculator.

  • A 1 2
  • B 3 2
  • C 1 2
  • D 3

Q2:

Find s e c ( 3 0 ) without using a calculator.

  • A 2 3
  • B 2
  • C 2 3
  • D 3

Q3:

Find s e c ( 4 2 0 ) without using a calculator.

  • A2
  • B 2 3
  • C 2
  • D 1 3

Q4:

Find s e c ( 3 9 0 ) without using a calculator.

  • A 2 3
  • B 2
  • C 2 3
  • D 3

Q5:

Find s e c ( 1 1 1 0 ) without using a calculator.

  • A 2 3
  • B 2
  • C 2 3
  • D 3

Q6:

Find s e c ( 6 0 ) without using a calculator.

  • A2
  • B 2 3
  • C 2
  • D 1 3

Q7:

Find c s c 𝐵 given 𝐴 𝐵 𝐶 is a right triangle at 𝐶 , 𝐴 𝐶 = 1 5 c m and 𝐵 𝐶 = 8 c m .

  • A 1 7 1 5
  • B 1 5 8
  • C 1 5 1 7
  • D 1 7 8
  • E 8 1 7

Q8:

Find s i n 1 3 8 0 without using a calculator.

  • A 3 2
  • B 1 2
  • C 3 2
  • D 3

Q9:

Find c s c 3 3 0 without using a calculator.

  • A 2
  • B 2 3
  • C2
  • D 3

Q10:

Find t a n ( 8 4 0 ) without using a calculator.

  • A 3
  • B 1 2
  • C 3
  • D 3 2

Q11:

Find c s c ( 1 2 3 0 ) without using a calculator.

  • A 2
  • B 2 3
  • C2
  • D 3

Q12:

Find c o t ( 1 5 0 ) without using a calculator.

  • A 3
  • B 2
  • C 3
  • D 2 3

Q13:

Find c s c ( 8 4 0 ) without using a calculator.

  • A 2 3
  • B 2
  • C 2 3
  • D 1 3

Q14:

Find c s c ( 4 8 0 ) without using a calculator.

  • A 2 3
  • B 2
  • C 2 3
  • D 1 3

Q15:

Find c o t ( 8 7 0 ) without using a calculator.

  • A 3
  • B 2
  • C 3
  • D 2 3

Q16:

Find c s c ( 1 2 0 0 ) without using a calculator.

  • A 2 3
  • B 2
  • C 2 3
  • D 1 3
Preview