Friday, 10 January 2020

TRIGONOMETRY - PART - 11 - TRIGONOMETRICAL RATIOS - 100 PROBLEMS

ICSE MATHS CLASS 9
EXERCISE – 22(B) – PROBLEM - 02
Use the given figure to find:
(i) six xﹾ  (ii) cos yﹾ
(iii) 3 tan xﹾ - 2 sin yﹾ + 4 cos yﹾ   

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