C-09-Q034mediumsingle_mcqcotθ=?\cot\theta = ?cotθ=?a1sinθ\dfrac{1}{\sin\theta}sinθ1b1cosθ\dfrac{1}{\cos\theta}cosθ1c1tanθ\dfrac{1}{\tan\theta}tanθ1dtanθsinθ\dfrac{\tan\theta}{\sin\theta}sinθtanθব্যাখ্যাCotangent is the reciprocal of tangent, so cotθ=1tanθ=adjacentopposite\cot\theta=\dfrac{1}{\tan\theta}=\dfrac{\text{adjacent}}{\text{opposite}}cotθ=tanθ1=oppositeadjacent. Equivalently cotθ=cosθsinθ\cot\theta=\dfrac{\cos\theta}{\sin\theta}cotθ=sinθcosθ.