Question

If cos A=3/4, then find the value of sinA-cosA/2tanA​

Answer 1

Answer:

3/40

Step-by-step explanation:

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Answer 2

I think your question is incorrect

it should be cos a =3/5

cos a =3/5=b/h

so h square= b square +p square

5 square = 3 square + p square

25-9 = p square

16 = p square

p=4

sina =4/5

Tan a =4/3

sina - cos a/ 2tan a

4/5-3/5 /2×4/3

1/5 / 8/3

3/5×8

3/40

final answer is 3/40