Add New Description

Fill up the form and submit

\tan A = \frac{5}{12}

\frac{π}{2} > A > π

হলে, নিচের কোনটি সঠিক?

\cos A = \frac{5}{13}

\cos A = - \frac{5}{13}

\cos A = \frac{12}{13}

\cos A = - \frac{12}{13}

ANS : 4

Descrption

To add a description please, login first. click here to login

Cancel Login