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1 Tentukan nilai sin $\left(A+B\right)$ jika $diketahv1$ a. sin $A=\dfrac {3} {5}$ dan $cosB=\dfrac {1} {3},A$ dan $B$ sudut lancip b. $sinA=\dfrac {12} {13}$ dan $cosB=-\dfrac {3} {5},A$ sudut lancip dan $B$ tumpul $2.$ Jika tan $A=0,2$ $tan$ $B=0,3$ $A$ dan $B$ sudut lancip maka tentukan tan $\left(A+B\right)$
10th-13th grade
Trigonometry
Search count: 107
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Qanda teacher - RASHMIKA
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