If sin θ θ = xy x y and 0o < 90o, then find 1tanθ 1 t a n θ .

Assessment: JAMB UTME - Mathematics - 1984 Subject: General Mathematics

Question 1 Report

If sin $θ$ = $\frac{x}{y}$ and 0o < 90o, then find $\frac{1}{t a n θ}$ .

√y²−x²

√y²+ x²

y²−x²

Answer Details

$\frac{1}{t a n θ}$ = $\frac{c o s θ}{s i n θ}$
sin $θ$ = $\frac{x}{y}$
cos $θ$ = $\frac{\sqrt{y^{2} - x^{2}}}{y}$

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