Question

if 4 tan A=3, find the value of following expression: 4sinA+3cosA / 4sinA-2cosA.​

Answer 1

Answer:

6

Step-by-step explanation:

If 4tanA=3,

then tanA=3/4

then it reminds us of a famous Pythagorean Traingle of sides 3,4 and 5.

So, we know sinA=3/5 and cosA=4/5

Another way to find the value of sinA and cosA is by application of properties.

So, now you need to input the value of sinA and cosA in the expression.

You would get the answer 6.

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