arshsangar2 arshsangar2

02-04-2018
Geography

contestada

In a right triangle ABC, tan(a)= 20/21.find sin(a) and cos(a)

Respuesta :

Geniusmark Geniusmark

12-04-2018

sin(a)=opposite/hypotenuse
∴hypotenuse=√20²+21²
=√400+441
=√841
=29
∴sin(a)=20/29
=0.6897

cos(a)=adjascent/hypotenuse
=21/29
=0.7241

Answer Link

Otras preguntas

The midpoint of AB is M (-5,0). If the coordinates of A are (-3,3), what are the coordinates of B?

When members of populations do not mate with each other or cannot produce fertile offspring, they are

Under what set of conditions does HCl(g) deviate the most from ideal behavior?a) high temperature and low pressure.b) low temperature and high pressure.c) high

What is nativism in a sentence

PLEASE HELP RIGHT NOW !! Which property justifies the statement below? 4X+2 = 2 + 4x A. Reflexive Property B. Identity Property C. Symmetric Property D. Associ

If a gannet hits the water at 32 m/s, what height did it dive from? Assume that the gannet was motionless before starting its dive.

Which of the following devices are used in networking?A. Routers. B. Hubs. C. TCP. D. Switches.

5x+2/6-2x-7/11_>-4 What’s the answer?

9. What importance did the sea have to the development of the Greek civillization?

How did navigational tools change from the 15th century to the 17th century