Question

if tanA=3/4,then sin A cosA=__​

Answer 1

Answer:

here is the answer... hope this helps!

Answer 2

Answer:

4/25

Step-by-step explanation:

tanA= p/b

tanA= 3/4

p² + b² = h²

3² + 4² = h²

9 + 16 = h²

√25 = h

5 = h

SinA= p/h

SinA= 3/5

CosA= b/h

CosA= 4/5

SinA×CosA= 3/5 × 4/5

= 12/25