Question

express all trigonometric ratios in terms of sec A​

Answer 1

$1 \div \sqrt{ 1 - \sin^{2} (a) }$

$1 \div \cos(a)$

$\sqrt{1 + \ \tan^{2}(a) }$

$\sqrt{1 + cot^{2}(a) } \div \cot(a)$

$\csc(a) \div \sqrt{ \csc^{2} (a) - 1}$