if cosA =4/3 find all the trignometric ratios of A
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given: cosA =4/3 means base =4 and hypotenuse=3
By pythegorus theorem
H^2=P^2+B^2
3^2=P^2+4^2
9 = P^2 + 16
9-16=P^2
-7 =P^2
√-7 = P
sinA=p/h
sinA = 4/3
tanA= p/b
tanA= 4/√-7
cosecA = h/p
cosec A = 3/4
secA = h/b
secA = 3/√-7
cotA = b/p
cotA = 4/√-7
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