TRIGONOMETRY - PART - 39 - TRIGONOMETRICAL RATIOS - 100 PROBLEMS

ICSE MATHS CLASS 9 – PAGE -294

EXERCISE – 22(B) – PROBLEM – 30

If 5 cos A = 6 sin A, evaluate:

(i) tan A

(ii) 12 sin A – 3 cos A / 12 sin A + 3 cos A