Tuesday, 14 January 2020

TRIGONOMETRY - PART - 38 - TRIGONOMETRICAL RATIOS - 100 PROBLEMS

ICSE MATHS CLASS 9 – PAGE -294
EXERCISE – 22(B) – PROBLEM – 29
If cosec A + sin A = 26 /5, find the value of
cosec^2 + sin^2 A


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