sin P = QR/PR = 8/(4√5) = 2/(√5) = (2/5)√5)
cos P = PQ/PR = 4/(4√5) = 1/(√5) = (1/5)√5
tan P = QR/PQ = 8/4 = 2
sin R = PQ/PR = 4/(4√5) = 1/(√5) = (1/5)√5
cos R = QR/PR = 8/(4√5) = 2/(√5) = (2/5)√5)
tan R = PQ/QR = 4/8 = 1/2
Baca juga: Konsep Dasar dan Rumus Identitas Trigonometri
sin P = QR/PR = 7/11
cos P = PQ/PR = (6√2)/11
tan P = QR/PQ = 7/(6√2) = (7/12)√2
sin R = PQ/PR = (6√2)/11 = (6/11)√2
cos R = QR/PR = 7/11
tan R = PQ/QR = (6√2)/7 = (6/7)√2