Trigonometric Equations (HSC SSCE Mathematics Advanced): 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?
Equation with sin, cos, or tan functions
Why is a restricted domain like typically chosen?
Why is a restricted domain like typically chosen?
To capture one complete cycle
What is the interval for the principal angle?
What is the interval for the principal angle?
According to the CAST rule, which functions are positive in Quadrant 2?
According to the CAST rule, which functions are positive in Quadrant 2?
Only
If is positive, in which quadrants are the solutions?
If is positive, in which quadrants are the solutions?
Quadrants 1 and 4
How often does repeat its values?
How often does repeat its values?
Every (or radians)
What is the principal angle when solving ?
What is the principal angle when solving ?
To solve equations in extended domains like , what should you do first?
To solve equations in extended domains like , what should you do first?
Find all solutions in
What is the first step to solve ?
What is the first step to solve ?
Substitute
Why should you verify solutions by substituting back into the original equation?
Why should you verify solutions by substituting back into the original equation?
To confirm solutions and catch errors