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

Explain two reasons why SI is easier to use than the English system

The "starving time" in jamestown during the winter of 1609–1610 was partly the result of select one: a. colonists being kept barricaded in their palisade by loc

what are the two ways to help organize sentences?

1. To help avoid plagiarism it is best to: only use one research source copy and paste good information from your research into your essay use many research sou

I need help help me quickly

As a means of combating poverty the South African government provides for the following 1. social grants 2. nutrition programmes 3. access to free basic educati

What processes are needed to solve for functions and their inverses? I'm about to fail this class and I need help. I'm not good at math at all and i don't want

If I have 1/2 pound of trail mix to split between 5 people how much will each get?

The main reason that it's important to test only variable at a time is so that

what is the mass of a 4.00cm3 piece sodium chloride having a density of 2.16g/cm3