Question

If CosA=12/13,
then find SinA and
Tan A (A<90)​

Answer 1

Step-by-step explanation:

cosA=12/13

sin^2A+cos^2A=1

sin^2A=1-COs^2A

sin^2A=1-(12/13)^

sin^2A=1-144/169=25/169

sinA=5/13

TanA= sinA/cosA=(5/13)/(12/13)=5/12

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