Given 4 sin A =3, find cos A and tan
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Answer:
4sin A=3
sinA =3/4
sinA =3/4=p/h
now we know P=3, H=4
applying pythagoras theorem
h²=b²+p²
(4)²=b²+(3)²
16=b²+9
b²=16-9
b²= 7
b=√7
p=3,h=4,b=√7
Step-by-step explanation:
cosA =b/h=√7/4
tanA= p/b= 3/√7
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