kayericaedwards kayericaedwards
  • 24-04-2018
  • Mathematics
contestada

Verify that cos (270° - q) = -sin q is an identity.

Relax

Respuesta :

Blitztiger
Blitztiger Blitztiger
  • 24-04-2018
See the attached picture. cos(270 - q) = adjacent/hypotenuse for the red triangle = -a/c. Note the -a is because this is in the -x direction.
sin q = a/c, so -sin q = -a/c.
Therefore, cos(270 - q) = -sin q is true.
Ver imagen Blitztiger
Answer Link

Otras preguntas

How do you write 8/11 as decimal
Why do mammals drink milk?
perfume evaporating is it a chemical change or physical change
which one of the following businesses would be the most difficult to get funding for
Which of these is not measured in hertz? Select all that apply. a. period b. amplitude c. frequency d. wavelength
Which characteristic is true of modern-day monsters? A. They are not born of the human race. B. They find pleasure in being a widely recognized threat to
Why do modern scientists use repeated experiments to develop and test hypotheses?
What is the adjective in the sentence "The red truck was parked behind the garage"?      A. behindB. truckC. parkedD. red
who is odell Beckham Jr
20.   First and foremost, supervisors are     A. Leaders B.Teachers C.Counselor D. Advocates