Question

Jika sin 23=m, maka cos 113= . . .

# mohon bantuannya kak​

Answer 1

Verified answer

[tex]{ \gray{ \boxed{ \boxed{ \mathfrak{ \underline{ \green{pembahasan}}}}}}}[/tex]

cos 113° = cos (90° + 23°)

cos 113° = cos 90° . cos 23° - sin 90° . sin 23°

cos 113° = 0 . cos 23° - 1 . sin 23°

cos 113° = - sin 23°

cos 113° = - m

--