Solving equations using 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 the sine angle sum identity?
What is the sine angle sum identity?
sin(A + B) = sin A cos B + cos A sin B
What does cos(2A) equal?
What does cos(2A) equal?
cos^2 A - sin^2 A
What is the half-angle formula for sine?
What is the half-angle formula for sine?
sin(A/2) = sqrt((1 - cos A)/2)
What is the correct cosine angle difference identity?
What is the correct cosine angle difference identity?
cos(A - B) = cos A cos B - sin A sin B
What is tan(A + B) equal to?
What is tan(A + B) equal to?
(tan A + tan B)/(1 - tan A tan B)
What is the first step in solving trigonometric equations?
What is the first step in solving trigonometric equations?
Identify the equation type
What is sin(2A) equal to?
What is sin(2A) equal to?
2 sin A cos A
What is the purpose of angle identities?
What is the purpose of angle identities?
To simplify trigonometric expressions
What is cos(A/2) equal to?
What is cos(A/2) equal to?
sqrt((1 + cos A)/2)
What should you avoid in trigonometric equations?
What should you avoid in trigonometric equations?
Mismatching identity applications