love12341 love12341

04-05-2018
Mathematics

contestada

What is the value of x? sin(x+34)°=cos(2x+20)°

Respuesta :

calculista calculista

13-05-2018

we know that
if sin A=cos B
then
angle A and angle B are complementary angles
so
A+B=90 degrees
in this problem
(x+34)+(2x+20)=90-------> 3x+54=90----> 3x=90-54-----> x=36/3----> x=12°

the answer is
the value of x is 12 degrees

Answer Link

Otras preguntas

how you might change your normal everyday browsing habits

HELP ASAP! MULTIPLE CHOICE(PLEASE try to show steps) Kevin's hydro-electric company charges a 1.7% late fee on an overdue balance. The company charged him $0.76

At a party the host orders 12 pizzas that are cut into 8 slices each. There are 30 people at the party. How many slices does each person get? Write your answer

An adolescent who had an inguinal hernia repair is being prepared for discharge home. The nurse provides instructions about resumption of physical activities. W

A narrow beam of light from a laser travels through air (n = 1.00) and strikes the surface of the water (n = 1.33) in a lake at point A. The angle of incidence

Three electromagnetic waves arrive at a point from the same direction. They are polarized parallel to an x axis, and their electric fields at the point are E1 =

PLATO: can somebody please help me; For which function is f(x) equal to f-1(x)?

What were the Camp David’s Accords and how did they affect the U.S and other countries?

Which of these sentences should have para instead of por? O A. Tomaré esta calle por llegar más rápido. OB. Por la mañana me levanto temprano. O C. Voy al centr

Which of the following are TRUE statements about red blood cells (erythrocytes)? a. mature cells do not have a nucleus b. new RBC’s may enter the blood stream