The known function f (x) = asin (ω x + φ) + 1 (where a > 0, ω > 0,0)

The known function f (x) = asin (ω x + φ) + 1 (where a > 0, ω > 0,0)

(1) W = 2 π / π = 2, substituting m into the analytical formula, we get - 1 = asin (4 π / 3 + φ) + 1, that is, asin (4 π / 3 + φ) = - 2
∴A=2
∵0