√99以上 (2√3-5√2) and (√3 2√2) add 120398
Math Tricks Explained The New York Times Given If cosec A cot A = √5 – 2 Formula used cosec2 A – cot2 A = 1 sin2 A cos2 A = 1 Calculation cosec A coFor the 1st fraction, since 3 × 5 = 15, 2 / 3 = 2 × 5 / 3 × 5 = 10 / 15 (2√3-5√2) and (√3 2√2) add