Question

cosec(180+30)=? what will be answer , -cosec30 , yes or no , why​

Answer 1

Answer:

$cosec(180+30)=-2$

Step-by-step explanation:

Formula used:

$cosec(180+\theta)=-cosec\theta$

$cosec(180+30)$

$=-cosec30$

$=-\frac{1}{sin30}$

$=-\frac{1}{1/2}$

$=-2$

$\implies\:cosec(180+30)=-2$