claytonmays
claytonmays claytonmays
  • 02-06-2020
  • Mathematics
contestada

If cos x= sin(20 + x)" and 0º

Respuesta :

Rraduca Rraduca
  • 02-06-2020

Draw a right angle triangle
Let one of the angles be A
cos A = sin (90-A)
90 - x - 20 = x
2x = 70
x = 35 degrees
Answer Link

Otras preguntas

An intrathecal injection is directed into A. the capsule of a joint. B. the space underlying spinal cord membranes. C. a body cavity. D. the heart.
Which best describes the way photographs are considered by historians? primary source documents that are useful in the study of history reliable sources for the
how does a author create a adaptation
what is the transcontinental railrod
Which best describes the way photographs are considered by historians? primary source documents that are useful in the study of history reliable sources for the
An intrathecal injection is directed into A. the capsule of a joint. B. the space underlying spinal cord membranes. C. a body cavity. D. the heart.
write each fraction as a unit fraction 12/84 13/143 23/138
People who wish to become U.S. citizens must serve in the military for at least five years answer questions about U.S. history and government be permanently ban
if you solve an equation by graphing each side as a separate line, which of the following corresponds to the solution of the equation?
Why Nazism became popular in Germany by 1930?