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

Who were the three main European rivals in North America? a. England, France, and Germany b. England, France, and Spain c. England, France, and Russia d. En

How to factor 54a +24b

What sporting event was the first ever to be broadcast on American commercial radio?

What arguments were made in opposition to imperialism and the Spanish-American War? I NEED ANSWER ASAP

prices and wages should be determined by the marketplace.the author of this statement would most probably support

What economy includes a laissez-faire ideal with government involvement to ensure competition fairness and protects public interest? a. communism c. socialism b

Choose the definition of: Genetic A. developed muscles B. Unit of measure C. unit of space D. Unit of heredity

Simplify this expression 7b + 4 (-b + 3)

a plant cell is filled with cell sap what is it

Some scientists have collected and stored seeds for many types of food-producing plants. The purpose of this is to (1) increase the destruction of environments