Question

Express cos theta and tan theta in terms of sin theta​

Answer 1

$\sqrt{1 - { \cos(x) }^{2} } = \sin(x)$

$\frac{ \sin(x) }{ \sqrt{1 - { \cos(x) }^{2} } } = \tan(x)$

Answer 2

tan δ = sin δ / cos δ





cot δ = cos δ / sin δ