Saturday 25 January 2020
TRIGONOMETRY - PART - 43 - TRIGONOMETRICAL RATIOS - 100 PROBLEMS.
ICSE MATHS CLASS 9 – PAGE -294
EXERCISE – 22(B) – PROBLEM – 34
If cos A = 2 (m n)
1/2
/ m + n, find the value of
sin A (given m>n).
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