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cosp=√5/5
tanp=2
sinr=√5/5
cosr=2√5/5
tanr=1/2
b. sinp=7/11
cosp=6√2/11
tanp=7√2/12
sinr=6√2/11
cosr=7/11
tan r=6√2/7
c. sinp=2√5/5
cosp=√5/5
tanp=2
sinr=√5/5
cosr=2√5/5
tanr=1/2
terimakasih
thanks