sydnul0olaYasmithay sydnul0olaYasmithay

15-08-2016
Mathematics

contestada

Which pair of angles has congruent values for the sin x° and the cos y°?
Select one:
a. 40°; 140°
b. 40°; 80°
c. 40°; 50°
d. 40°; 40°

Respuesta :

andriansp andriansp

19-08-2016

We need to remember that cos y = sin (90-y)

So , the angles that has congruent values for sin x and cos y is : C. 40° and 50°

cos 40 = sin (90 - 50)

cos 40 = sin 40

hope this helps

Answer Link

Otras preguntas

Ford’s moving assembly line was the first mass production of _________ in America. a. Light bulbs c. Refrigeration b. Automobiles d. Electricity

Factorise (x2 - x - 12)

lowest term of 8/9 - 6/9=

Which of the following is something that all computer models use in their calculations? 1) Ideas 2) Movements 3) Sizes 4) Variables

Which two factors that work together to create the global wind patterns that operate in the atmosphere. A. heat from the core B. earth's rotation C. plate tect

"write the complex number z=−1−8iz=−1−8i in polar form: z=r(cosθ+isinθ)" find the radius and theta

A man is 1.8m tall and standing 60m away from a light pole and the sun cast his shadow at 6m. What is the height of the light pole?

In which sentence is the comparison in the correct form? Our city has the more beautiful skyscrapers in the world. Our city has the most beautifulest skyscraper

) a water tank is emptying steadily by 2 liters of water per hour. there were 2 liters of water 6 hours after midnight. let x represent the number of hours sinc

What technique do artists use to create rhythm