Berapa 40 sec kuadrat pi/3? makasih

40. sec²π/3
=40. sec² 180/3
=40. sec² 60
=40. (1/ cos 60)²
=40. (1/(1/2√3))²
=40 . (2/√3)²
=40. 4/3
=160/3
=53,3333
semoga aja betul, hehe

40 sec² π/3
= 40 / cos² π/3
= 40 / (1/4)
= 160