Question

3 tan a=4 then find the all other trigonometric ratios​

Answer 1

Answer:

Given

sin A = 3/5 and A is an acute angle

Find out

All other trigonometric ratios

So, in ∆ABC we have ∠B = 90o

And,

AC = 5 and BC = 3

By Pythagoras theorem,

AB = √(AC2 – BC2)

= √(52 – 32) = √(25 – 9) = √16

= 4

Now,

cos A = AB/AC = 4/5

tan A = BC/AB = 3/4

cot A = 1/tan θ = 4/3

sec A = 1/cos θ = 5/4

cosec A = 1/sin θ = 5/3

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Step-by-step explanation:

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