Question

У=4син х-1 если х0=п/3

Answer 1

y= 4 sin x  -1
y' = 4 cos x 
y(p/3) = 2√3  -1
y' ( p/3) = 2
y(k) = y( p/3) + y'(p/3) (x-p/3) 
y(k) =  2√3 -1 + 2x - 2p/3 = 2x  +2 √3 - 2p/3 -1