Multiple and Submultiple Angle Formulae

Math ⇒ Trigonometry

Multiple and Submultiple Angle Formulae starts at 12 and continues till grade 12. QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Multiple and Submultiple Angle Formulae. How you perform is determined by your score and the time you take. When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.

See sample questions for grade 12

Derive the formula for cos(2A) in terms of sin²A.

Express cos(3A) in terms of cos(A) only.

Express sin(2A) in terms of tan(A).

Express sin(4A) in terms of sin(A) and cos(A).

If cos(A) = 0.5 and A is in the first quadrant, find sin(2A).

If cos(A) = 0.6 and A is in the first quadrant, find cos(2A).

If cos(A) = 0.8 and A is in the first quadrant, find sin(2A).

If sin(A) = 0.5 and A is in the first quadrant, find tan(A/2).

If sin(A) = 0.6 and A is in the first quadrant, find cos(A/2).

If sin(A) = 0.8 and A is in the first quadrant, find sin(A/2).

If sin(A) = 3/5 and A is in the first quadrant, find sin(2A).

If tan(A) = √3, find tan(3A).

If tan(A) = 1, find tan(2A).

If tan(A) = 1/2, calculate tan(2A).

If tan(A) = 2, find tan(2A).

State the formula for cos(2A) in terms of cos²A.

State the formula for sin(2A) in terms of sin(A) and cos(A).

State the formula for sin(A/2) in terms of cos(A).

State the formula for tan(A/2) in terms of tanA.

Given that tan(2A) = 1, and A is in the first quadrant, find the value of tan(A).