kittenpolish kittenpolish

16-10-2020
Mathematics

contestada

Rewrite with only sin x and cos x. sin 3x - cos x

Respuesta :

2612rashi 2612rashi

16-10-2020

Answer:

sin(3x) = sin(x + 2x)

= sinx cos(2x) + cosx sin(2x)

= sinx [1 - 2sin2x] + cosx [2sinxcosx]

= sinx - 2sin3x + 2cos2xsinx

Answer Link

Otras preguntas

Find b and c so that the parábola y=-3x^2 +bx+c has x-intercepts 1 and -4

The scientific principle which is the basis for balancing chemical equations is

Which step of respiration produces the most energy for the organism? A. Fermentation B. Electron transport chain C. Glycolysis D. Krebs cycle

What did Eli Whitney popularize that was essential to the industrialization of the North? A. the cotton gin B. firearms C. interchangeable parts D. patent l

A macro factor underlying the trend toward greater globalization is: he increasing popularity of state-owned enterprises. the establishment of a global legal s

Please help, math is my worst subject and I would really appreciate it!

Oraciones Forma oraciones con estos elementos. Usa el subjuntivo cuando sea necesario. Question 1 with 1 blank ser ridículo / los coches / contaminar tanto Es r

A data safety monitoring board report for an investigator-initiated investigational drug study indicates a significantly higher than anticipated rate of an expe

Which of the following statements best illustrates an argument on whether Congress is effective on providing oversight of the bureaucracy? a. Congress is very e

Which amendment to the us constitution granted women the right to vote