LivCastillo LivCastillo
  • 08-03-2021
  • Mathematics
contestada

how to prove it's an identity
sin y + sin 3y + sin 5y + sin 7y = 4 cos y cos 2y sin 4y

Respuesta :

nessablinks3
nessablinks3 nessablinks3
  • 08-03-2021

Answer:

0.9777102203

Step-by-step explanation:

the identity is 0.9777102203

Answer Link

Otras preguntas

Given that sinA = 2/3 and A is acute find cos(A)[tex] \sin(a) = \frac{2}{3} [/tex]
Which is true of a triangle with sides all of length 3 cm?all angles are congruentno sides are congruentno angles are congruentexactly two angles are congruent
What is the volume of a cube with length of 10cm, the width of 5cm and a height of 8cm?
One result of the Louisiana territory (1803) was that the United States
You buy a commemorative coin for $25. The value of the coin increase 3.25% per year. How much will the coin be worth in 15 years?
HELP PLEASE Escoge la mejor respuesta. Select the best response. ¿Cuál es una manera de ser un viajero seguro? No lleves mucha joyería cara. Ten una cámara gr
What is the significance of montag and mildred not being able to remember where/when they met?
The profit earned by a sporting goods outlet is modeled in the graph below, where x is the number of years since the outlet opened. He recorded the profit for
what is the volume of the prism below?
Write a synonym for each of the vocabulary words that you just examined from Antigone, based on clues from the context in which they appeared. Here is the list