cot A = 1/tan A = 1/(1/√3) = √3 — (1) Using Trigonometric Identity: 1 + tan²A = sec²A 1 + (1/√3)² = sec²A sec²A = 1 + 1/3 = 4/3 sec A = +√(4/3) = +2/√3 or sec A = -2/√3 (neglecting this value as A is acute angle) Therefore, sec A = 2/√3 Using Trigonometric Identity: 1 +…
Maths Vidya Institute
Best Maths Online Coaching Institute for CBSE Board