Trigonometric equations involving angle formulae (HSC SSCE Mathematics Extension 1): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is a trigonometric equation?
What is a trigonometric equation?
An equation with trigonometric functions
What does the double angle identity for sine state?
What does the double angle identity for sine state?
sin 2x = 2 sin x cos x
What is an auxiliary angle?
What is an auxiliary angle?
A method to simplify trigonometric sums
How can you simplify sin 2x = 3 cos x?
How can you simplify sin 2x = 3 cos x?
Use sin 2x = 2 sin x cos x
What is the identity sin^2 x + cos^2 x?
What is the identity sin^2 x + cos^2 x?
1
What is the first step in using auxiliary angles?
What is the first step in using auxiliary angles?
Calculate r = √(a^2 + b^2)
What is a common pitfall in solving equations?
What is a common pitfall in solving equations?
Ignoring the domain of solutions
What does periodic nature of functions imply?
What does periodic nature of functions imply?
Solutions repeat over intervals
What is the purpose of using identities?
What is the purpose of using identities?
To simplify trigonometric equations
What should you regularly check in solutions?
What should you regularly check in solutions?
If they are within the given interval