Sample Circular Functions Exam Question and Solution

Circular Functions – Solving Equations

The video below is from the Solving Equations sub topic. It has my solution to Question 21 from the 2007 VCAA Maths Methods Multi Choice exam.

This type of question relies on an understanding of the maximum and minimum value that a cos function can have – 27% of students answered it correctly.

2007 Multi-Choice Q21

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