Question

Tentukan!! cos,cot,cosec,sin,sec dri a..jika tan a 0,75.

Answer 1

0,75 = 3/4
tan a = 3/4, jadi pake triple pythagoras 3, 4, dan 5
cos a = 4/5
cot a = 4/3
cosec a = 5/3
sin a = 3/5
sec a = 5/4