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maka pada segita siku2 berlaku
PR² = PQ² + QR²
11²=PQ²+7²
121-49=PQ²
PQ= 17/2
sin P = QR/ PR = 7/11
cosP= PQ/QR = 17/2 /11 = 17/22
tan P = QR/PG = 11/17/2 = 22/17
sin Q= CosP = 17/22
cos Q = sinP = 7/11
tan Q = 1/tan P = 17/22