# Trigonometry Quiz

## Make sure to try these on a piece of paper first

#3-1 Paper 2 Difficulty: Medium

In the following diagram, a circle has radius r (metres), and angle $\theta$ (radians), and centre O.
The area of the shaded sector is $\frac{6\pi }{5}$, and the length of the sector AB is $\frac{3\pi }{5}$.

a) Find the value of r.

b) Find the value of $\theta$.

#3-2 Paper 2 Difficulty: Medium

In a triangle PQR, side $PQ=3 \; cm$, and side $PR=2 \; cm$. The area of the triangle PQR is $2\; cm^{2}$.

State two possible values for angle $Q\hat{P}R$ (in degrees).

#3-3 Paper 1 Difficulty: Medium

This question is part of the Math SL Online Revision Course
(but keep in mind that at least the first question of each topic is free!)

#3-4 Paper 1 Difficulty: Medium

This question is part of the Math SL Online Revision Course
(but keep in mind that at least the first question of each topic is free!)

#3-5 Paper 1 Difficulty: Medium

This question is part of the Math SL Online Revision Course
(but keep in mind that at least the first question of each topic is free!)

#3-6 Paper 1 Difficulty: Easy

This question is part of the Math SL Online Revision Course
(but keep in mind that at least the first question of each topic is free!)

#3-7 Paper 1 Difficulty: Easy

This question is part of the Math SL Online Revision Course
(but keep in mind that at least the first question of each topic is free!)

#3-8 Paper 1 Difficulty: Easy

This question is part of the Math SL Online Revision Course
(but keep in mind that at least the first question of each topic is free!)

#3-9 Paper 2 Difficulty: Medium

This question is part of the Math SL Online Revision Course
(but keep in mind that at least the first question of each topic is free!)

#3-10 Paper 1 Difficulty: Medium

This question is part of the Math SL Online Revision Course
(but keep in mind that at least the first question of each topic is free!)