jika 0° < x < 90° dan cotan x = 1/7√15 maka nilai cosecan adalah...

cosx/sinx = 1/7√15
cos x = sinx/7√15
cos²x + sin²x = 1
sin²x/735 + sin²x = 1
736.sin²x = 735
sin²x = 735/736
sin x = √(735/736)
1/sinx = √(736/735)
cosec x = √(736/735)