Given-that-is-an-obtuse-angle-find-tan-if-cos-3-5-

Question Number 39395 by Rio Mike last updated on 06/Jul/18

G i v e n t h a t θ i s a n o b t u s e

a n g l e f i n d t a n θ i f

c o s θ = \frac{3}{5}

Commented by MrW3 last updated on 06/Jul/18

t h e q u e s t i o n i s n o t o k s i r .

i f θ i s a n o b t u s e a n g l e t h e n \cos θ < 0 .

{l e t}^{'} s a s s u m e \cos θ = - \frac{3}{5}

\Rightarrow \sin θ = \frac{4}{5}

\Rightarrow \tan θ = - \frac{4}{3}

Commented by Rio Mike last updated on 06/Jul/18

i t h i n k y o u r r i g h t . . t h a n k s