bambamjojojoneoxetct bambamjojojoneoxetct

03-05-2018
Mathematics

contestada

What is the value of x?
sin(x+21)°=cos(2x+21)°

Respuesta :

calculista calculista

17-05-2018

we know that
if sin A=cos B
then
angle A and angle B are complementary angles
so
A+B=90°

in this problem
(x+21)+(2x+21)=90-------> 3x+42=90-------> 3x=48-----> x=16°

Answer Link

Otras preguntas

Find the area of the circle. Use 3.14 for n. Do not round your answer. Hint: A = tir2 3 in. Area = [?] inches? Enter the number that belongs in the green box. E

Que es la salsa casino? (Por fis no lo pongan tan corto)

a group of dedicated to promoting civil rights would most likely focus on addressing which problem?

A compound contains only carbon, hydrogen, and oxygen. Combustion of 65.76 g of the compound yields 96.38 g of CO2 and 39.46 g of H2O. The molar mass of the co

un medico frances ha comprobado que reir no solo es una actitud mental sana, sino un ejercicio que puede beneficiar a todo el organismo humano "La risa es una m

Briefly describe the fundamental differences between project-based and product-based Software Engineering.

which linear function shows a direct variation

By converting to an exponential expression, solve log3 (x + 9) = 5.

Alex says that the function f(x)=(3x)^2 represents a vertical stretch of the quadratic parent function by a factor of 3. Marta says that it represents a horizon

Which of the following is a consumer right for the consumer bill of rights? 1. Right to know 2. Right to return 3. It’s a profit 4. Right to sanity