bambamjojojoneoxetct
bambamjojojoneoxetct bambamjojojoneoxetct
  • 03-05-2018
  • Mathematics
contestada

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

Respuesta :

calculista
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

What is Winterbourne’s tragic flaw?
The forms a food substance into small balls and then pushes them into the
what happen when iron reacts with copper sulphate​
Hablando de demografia definir los conceptos de: variable, estadisticas y difusión
Hello there! Can I get some help with this calculus homework #22 a and b please? I'll do the others. Thank you! ​
What is 4/11 divided by 4/9? Perform the indicated operation.
Which situation is the best example of a hero's inner conflict? 20 PTS FOR THE FIRST ONE TO ANSWER IT!!!
which type of language is used in the sentence below? The artist uses bright colors and Broad brush-strokes to evoke a sense of jubilance and joy1. formal objec
Write an equation in direct variation form that contains the point (-8, -4). i need help asap!!
what do i need to do