What is the amplitude of 2cos(3x+pi/2) ?

The amplitude of 2cos(3x+pi/2) is 2

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

amplitude of 2cos(3x+pi/2)

amplitude

2 cos (3 x + \frac{π}{2})

2

Solution steps

f (x) = 2 cos (3 x + \frac{π}{2}), A = 2

Therefore, the amplitude |A| is

2

2

f (x) = ∣ x ∣ - 4

f (x) = \frac{3 x - 3}{x ^{3} - 3}

9 x^{(2)} - x^{3} - 3

f (x) = \frac{( 4 x - 1 )}{( 2 x + 3 )}

(x - 4)^{3}