Question

if 3sin @+ 5 cos @ = 5 prove that 5 sin@ -3 cos@=+-3​

Answer 1

Answer:

easy! convert first equation in 1 trigonometry function then find @

Step-by-step explanation:

=>3sin@+5cos@=5

convert it into cos@

=>3*√(1-cos@)/2 +5cos@=5

solve it we get get cos@=1

>@=nπ

put it into 2nd