applications Questions and Answers
Trigonometric functions How to determine a trigonometric function if i know tanx=m/n, is possible to find sinx ?
simultaneous equations Solve the simultaneous equations: x^2+y^2=200- xy x+y=20-(xy)^(1/2)
Ratio Simplify x/ (1+1/x) + (1/x)/ (x + 1).
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