In a right triangle the side opposite the angle is 3 cm and the hypotenuse is 5 cm. What is ?
Answer and explanation
Correct answer: D.
- Step 1: Sine is the ratio opposite to hypotenuse. Step 2. . **Answer: . Why not the others:** is , is and inverts the ratio.
Practise more Mathematics for the Austrian Matura.
Free questions with an explanation for every one, and full timed Matura (Reifeprüfung Austria) mock tests.