Question

5 marks
9. If cos=0.6, show that (5sino-3tano)= 0​

Answer 1

Step-by-step explanation:

well I'm assuming by cos =0.6 you meant coso = 0.6

if so then

coso=3/5

sino=(1-coso^2)^0.5

=>(1-9/25)^0.5

=>4/5

sino =4/5

since tano=sino/coso

tano= 4/5 ÷3/5

= 4/3

just substitute and u'll have your answer