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

Sophia and layla are laying on the beach one sunny day when they see a woman walk past. they are astounded at the condition of this woman's skin. she is deeply

What is the equation of a line, in point-slope form, that passes through (−2, −6) and has a slope of 1/3?

A demonstrative, relative or personal pronoun introduces the adjective clause?

1.) Choose the answer that best matches the word in caps. Use context clues to determine the meaning of the word, if necessary.The MAGNITUDE of the disaster is

What is the fractional form of 0.02?

Select all the statements that apply to the sentence below. She did not believe that he actually knew the rules of bowling. The sentence contains a gerund. The

which statement best describes the main idea of the passage?Look the picture at the top

In the fraction 7_8 the numerator or demomenator is 7

I need in biology some one help ASAP PLEASE i

Adam is a team leader for a packing and moving company today his team packed 90 boxes in 5 hours what is his teams packing rate in boxes per hour