06-03-2018
Mathematics

contestada

If tan x=a/4 and cos x=4/b what is the value of sin x?

Respuesta :

06-03-2018

[tex]cos(x) = \frac{4}{b} \\ \\ tan(x) = \frac{sin(x)}{cos(x)} = \frac{a}{4} \\ \\ substitute... \frac{4}{b} ...for ...cos(x) \\ \\ \frac{sin(x)}{ \frac{4}{b} } = \frac{b*sin(x)}{4} = \frac{a}{4} \\ \\ b*sin(x) = a \\ \\ sin(x) = \frac{a}{b} [/tex]

Answer Link

Otras preguntas

8. Solve this system of equations 4x − 2y + 3z = 1 x + 3y − 4z = −7 3x + y +2z = 5 Select the appropriate response: A) x = − 1, y = 2, z = 3 B) x = − 1, y = 4

A company is part of a keiretsu in Japan. Its leaders are worried about the company's financial viability and ask for help from other members of the keiretsu. W

Compared with men, women would probably be better at _______. a. controlling their physiological responses to a person who is lying. b. exhibiting a natural e

Give the coordination number, the charge of the central metal ion, and select the correct name in each coordination compound: A. Na3[CoCl6] coordination number

Write 0.735353535 as a decimal

One reason that the quantity demanded of a good increases when its price falls is that the: a. lower price shifts the demand curve to the right b. lower price

Explain how Germany, Italy and Japan became allies in World War II. Your answer

The doctrine of _______ means that statements made spontaneously by anyone at the time of an alleged negligent act are admissible as evidence, and they may be d

How did the Punic Wars affect the development of the Roman Republic?A. In the First Punic War, Rome gained control of Sicily. B. Rome won each of the Puni

A thermistor is placed in a 100 °C environment and its resistance measured as 20,000 Ω. The material constant, β, for this thermistor is 3,650 °C. Find: If the