Question

25) If sinA =3/4 Then tanA =?

7/(3√7)

(3√7)/7

1/√7

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Answer 1

Answer:

correct answer is option 2nd

Explanation:

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Answer 2

Answer:

SinA = 3/4

3k is opposite side and 4k is hypotenuse

let adjacent side be x

By Pythagoras theorem

(4k)2 = (3k)2 + (x)2

x2 = (4k)2 - (3k)2

x2 = 16k2 - 9k2

x = √ 7k2

x = √7k

TanA = 3k/√7k

= 3/7

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