Leroro123 Leroro123

19-03-2018
Mathematics

contestada

If sin^2(x) - 2sin(x) = 2, then sin(x) = _____.

Respuesta :

sqdancefan sqdancefan

20-03-2018

Let z = sin(x).
.. z^2 -2z = 2
.. z^2 -2z +1 = 3
.. (z -1)² = 3
.. z -1 = ±√3
.. z = 1 -√3 . . . . . the positive solution is extraneous

sin(x) = 1 -√3

Answer Link

Otras preguntas

Find the area of a parallelogram: base 5.2 cm, height 2.3 cm. 10.6 cm² 12.96 cm² 5.98 cm² 11.96 cm² I think its the last option is that right?

Who lived in Brazil before the European settlers arrived?

on january 1,1999,the price of gasoline was$1.39 per gallon .if the price of gasoline increased by 0.5%per month ,what was the was the cost of one gallon of gas

layer of rock that allows water to flow through

The number of professors in a college is p and the number of students is s, there are 16 times as many students as professors write an algebraic expression that

Which set of terms below would be the best choice to use to describe the components of blood? 1.leukocytes, ventricle, atrium, aorta 2.platelets, plasma, erythr

How many molecules are in 100 grams of HCL?

What is the mass of 4.2 moles of sodium carbonate?

Which structure releases hormones that signal the tissue lining the uterus to thicken? A. Corpus luteum B. Developing follicle C. Fallopian tube D. Hypothalamus

If R number 1=7 and R number 2 =5 what is the resistance of the circuit?