Trigonometryeasy · Past Paper
The product tan(A) * cos(A) simplifies to:
Asin(A)
Bcot(A)
Csec(A)
D1
✓ Correct Answer: A — sin(A)
tan(A) = sin(A)/cos(A), so (sin(A)/cos(A)) * cos(A) = sin(A).
Share this question
More from Trigonometry
- From the top of a 60 m high building, the angles of depression of the top and bottom of a tower are observed to be 30° and 60°. The height of the tower is:
- What is the simplified form of cos⁴ θ - sin⁴ θ?
- What is sin² 45° + cos² 45°?
- Which of the following is equivalent to cot(A - B)?
- If tan(A) = 1, then A is: