Question

If 8tan A = 15 find sin A - cosA

Answer 1

Step-by-step explanation:

See answer in above attachment

Answer 2

Answer:

$\frac{7 }{17.}$

Step-by-step explanation:

tanA = opposite/adjacent.

given: 8 tanA = 15

tanA = 15/8.

Let's take opposite as 15 and adjacent as 8. Using Pythagoras theorem, we find hypotenuse as 17 units.

SinA = 15/17

CosA = 8/17.

Required: sinA - cosA

= 15/17 - 8/17

= 7 /17.

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