Tolong bantu gan Cosec 30 + Sin 90 + Sec 60 = ?

cosec 30 =2
sin 90=1
sec 60=2
jadi 2+1+2= 5

Materi : Trigonometri

Pembahasan :
Cosec 30° + Sin 90° + Sec 60°
= 1/Sin 30° + 1 + 1/Cos 60°
= 1/(1/2) + 1 + 1/(1/2)
= 2 + 1 + 2
= 5