Question

If 5 tan x = 4; find the value of
5 sin x - 3 cos x
5 sin x + 3 cos x​

Answer 1

Answer:

the question is a bit wrong; it's actually 3 tan x = 4

Step-by-step explanation:

3 tan x = 4 so tan x = 4/3  so we know tan is opposite divided by adjacent

so opposite is 4 and adjacent is 3 so the hypotenuse will be(BY PYTHAGORAS THEOREM:

√9+16=5

so hypotenuse is 5 and now cos x = adj/hyp=3/5 and sin x =4/5

so

1. 5*4/5-3*3/5=4-9/5=11/5
2. 5*4/5+3*3/5=4+9/5=29/5

I REALLY HOPE THIS HELPS YOU