Giải pt lượng giác sau
Cos x = -√3/2

0

Step-by-step explanation:

Solution for cosx=-3/2 equation:

cos((3*pi)/5)*cos((3*pi)/20) = 0

(60*x^3)/(60*x^5) = 0

cos((3*pi)/5)*cos((3*pi)/20) = 0

cos((3*x)/5)*cos((3*x)/20) = 0

1.5/100 = 0

step-by-step explanation:

if u want da anser kill your teeser ifu hav wun

y=3n + 1

step-by-step explanation:

this is wrong because it says the second number is one less and i added one instead