Question

if cosA =4/3 find all the trignometric ratios of A​

Answer 1

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