Seudónimo Seudónimo

22-02-2021
Mathematics

contestada

If cos(t) =
−
1
2
and tan(t) < 0, find sin(t) and cos(-t)

Respuesta :

Аноним Аноним

22-02-2021

Answer:

cos theta=-1/2

theta=cos-¹(-1/2)=120

tan theta=tan 120=-√3

sin theta=sin120=√3/2

cos(- theta)=cos theta=cos 120=-1/2

Answer Link

Otras preguntas

The concert lasts 60 minutes, and the songs are all the same length. The choir sings a total of 12 songs, 2 of which are sung by the sopranos only. For how many

Sara is putting away a pile of 36crayons she can pack them in boxes of10crayons or as single crayons .what are the different ways Sara can pack the crayons?

Which mathematical sentence most accurately expresses the information in the problem below? Crystal has 100 compact discs that she wants to put into boxes each

the kind of lake that formed when a river meanders

which expression stands for 32 more than a number d

If (-3, y) lies on the graph of y = (1/2)x, then y =

A golf ball is dropped from rest from a height of 9.5m. It hits the pavement then bounces back up rising just 5.7 m before falling back down again. A boy the

If you were president in 1796, what three steps would you take to protect the United States from its more powerful neighbors?

How can you find the net force if two forces act in opposite direction?

Doing monomials. How do you do this one?