Diketahui tan a = p + 1 ,hitunglah sin a ,cos a,sec a , coses a dan cotan a
Matematika
Mildha22
Pertanyaan
Diketahui tan a = p + 1 ,hitunglah sin a ,cos a,sec a , coses a dan cotan a
1 Jawaban
-
1. Jawaban irwanwirit
tan a = y/x ===> y = p+1 ; x = 1 ; r = √(p+1)²+1² = √p²+2p+2
sin a = y/r = (p+1)/√p²+2p+2
cos a = x/r = 1/√p²+2p+2
sec a = 1/cos a = √p²+2p+2
cosec a = 1/sin a = √p²+2p+2 / (p+1)
cotan a = 1/tan a = 1/(p+1)