tan p = de/sa = 7/6√2 x √2/√2 = 7√2/12
- SIN R
sin r = de/mi = 6√2/11
cos r = sa/mi = 7/11
tan r = de/sa = 6√2/7
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- SIN P
c). PR = √12 + 22
PR = √1 + 4