C-08-Q067mediumsingle_mcqsecθ\sec\thetasecθ এর মান কোনটি?a1sinθ\dfrac{1}{\sin\theta}sinθ1b1cosθ\dfrac{1}{\cos\theta}cosθ1c1tanθ\dfrac{1}{\tan\theta}tanθ1d1cotθ\dfrac{1}{\cot\theta}cotθ1