Tuesday, 14 January 2020

TRIGONOMETRY - PART - 23 - TRIGONOMETRICAL RATIOS - 100 PROBLEMS

ICSE MATHS CLASS 9 – PAGE -294
EXERCISE – 22(B) – PROBLEM – 14
Given 5 cos A – 12 sin A = 0;
evaluate
(sin A + cos A) / (2 cos A – sin A)


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