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

Is ΔWXZ ≅ ΔYZX? Why or why not? Yes, they are congruent by SAS. Yes, they are both right triangles. No, the triangles share side XZ. No, there is only one s

The joptionpane method that gets input from the user is

Explain briefly why people write letters, journals, and diaries.

approximately how many new rice consumers will be added in asia in the next 10 years

Plants capturing carbon dioxide from the atmosphere would be an example of

How is India distinct from the rest of Asia? It is a landmass. It is a peninsula. It is a subcontinent. It is an outcropping.

Heather is going to graph y = -3x^2 + 3. How is the parent graph transformed?

Which sentences are punctuated correctly? Check all that apply. The circus featured four clowns, three acrobats, and a tightrope walker. We will bring a flashl

Help me please is m amdmkdmrnrj

HELP ME!!!!!!!!!!!!!