12Klmorris 12Klmorris

06-05-2021
Mathematics

contestada

What are the zeros of f(x)= 2 cos (3x) +1 on the interval [0,pi]

Respuesta :

reeserl reeserl

06-05-2021

Answer:

40° or 2π/9 rad

Step-by-step explanation:

Let f(x) = 0 and solve

2cos (3x) + 1 = 0

2cos (3x) = -1

cos (3x) = -1/2

3x = arccos (-1/2) = 120

x = 40° or 2π/9 rad

Answer Link

Otras preguntas

What battle led president Lincoln to conclude that the civil war would take longer and require more troops than he had expected? 1. First bull run 2. Shiloh

Figured bass is A. a line of music found only in opera arias. B. a sort of musical shorthand C. a complex bass line used only in opera finales.

Term for: Verbal and nonverbal communication, active listening skills, refusal skills, and conflict-resolution skills are all elements of what?

Depicting older workers as less involved in their work, less motivated, and haveing higher absenteeism than their younger counterparts int he workplace is a ste

Where could an identity theft access your personal information?

Explain how mitosis is used for asexual reproduction. Use complete sentences.

What is the imperfect sentence of m

In a rhombus whose side measures 18 and the smaller angle is 34°, find the length of the larger diagonal, to the nearest tenth.

what events led to world war 2

What is the [ch3co2-]/[ch3co2h] ratio necessary to make a buffer solution with a ph of 4.44?