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Trigonometric Identities

If sinθ=12 ...

Question

If $s i n θ = \frac{1}{2}$ then find the value of cosec $θ$ .

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Solution

$\begin{matrix} G i v e n t h a t, S i n θ = \frac{1}{2} N o w, W e k n o w sin θ = \frac{1}{2} = sin 30^{0} ∴ θ = 30^{0} \Rightarrow cos e c θ = 2 \end{matrix}$

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