Question

4
प्रश्न 11 यदि tanA=3/4
तो sinA तथा COSA ज्ञात कीजिए
3
​

Answer 1

Answer:

3/5 and 4/5

Step-by-step explanation:

tanA = 3/4 = opp/adj

Let opposite= 3 k and adjacent = 4k.

(hyp)²= (opp)²+(adj)²

(hyp)²= (3k)²+(4k)²

hyp = √25k²

hyp = 5k

sinA = opp/hyp = 3k/5k= 3/5

cosA = adj/hyp = 4k/5k = 4/5