Question

if cos ø = o.6 then show that ( 5sinø-3cosø)=0​

Answer 1

Step-by-step explanation:

if cos ø = o.6 then show that ( 5sinø-3cosø)=0

Answer 2

Answer:

theta is written as @

cos @ = 0.6 = 6/10

cos @ =base/hypotenuse = 6/10

by pythagoras theorem,

(6)^2 + (heigth)^2 = (10)^2

height^2 = 100-36

height^2= 64

height = 8

then

5* sin @ = 5* height/hypotenuse = 5*(8/10) = 8/2 = 4

and

3* tan @ = 3*(height/base) = 3*(8/6)= 8/2 =4

then,

(5 sin @ - 3tan @) = 0

4-4 = 0

0=0

hence proved,

i hope this will help you