MATHEMATICS · Subjective · CBSE · Mathematics · Introduction to Trigonometry · Introduction to Trigonometry
Problem
Two right-angled triangles are described below.
• ΔX has sides 9 cm and 12 cm containing the right angle.
• ΔY has sides 5 cm and 13 cm containing the right angle.
For each triangle, consider the acute angle opposite the longer of its two given sides.
Without converting to decimals, state which triangle has the greater value of sin of that angle and give one reason for your answer.