Practice Reciprocal Ratios (3) - Trigonometry Basics - IB 10 Mathematics – Group 5, Geometry & Trigonometry
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Reciprocal Ratios

Practice - Reciprocal Ratios

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

If sin𝜃 = 3/5, what is csc𝜃?

💡 Hint: Remember, csc is the reciprocal of sin.

Question 2 Easy

Calculate sec𝜃 if cos𝜃 = 4/5.

💡 Hint: Think reciprocal of cosine!

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the reciprocal of sin𝜃?

sec𝜃
csc𝜃
cot𝜃

💡 Hint: Think about the definition of cosecant.

Question 2

True or False: The reciprocal of cos𝜃 is sin𝜃.

True
False

💡 Hint: Recall definitions of trigonometric ratios.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Given a right triangle with a hypotenuse of 15 cm and an opposite side of 9 cm, find sin𝜃, csc𝜃, and then find the sec𝜃.

💡 Hint: Keep in mind the Pythagorean theorem to find the adjacent side.

Challenge 2 Hard

If cot𝜃 = 5, and the opposite side is 4 cm, calculate the adjacent side and use it to find sec𝜃.

💡 Hint: Start with finding adjacent from cotangent.

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