csidevet csidevet

23-09-2019
Mathematics

contestada

What is the exact value of cos (-pi/2)

Respuesta :

MathPhys MathPhys

23-09-2019

Answer:

0

Step-by-step explanation:

-π/2 on a unit circle is the same as 3π/2 or 270°. The cosine of that angle is 0.

Answer Link

Otras preguntas

How can you identify is air is matter?

Which best describes a democracy?

Directions: Apply me uyou answer should be w1) 12. 12² =

Using inductive reasoning, what conclusion can you make from the following statement In your study of geometry, you notice that every square you have seen is al

Pleaseeeeeeee=)))))))

How are multiplication and division with negative numbers similar?

prove that 1 + sin^2A + cos^A = 2

During the inflammatory process the first thing that happens is

by making minimum payments on a credit card, the consumer can

For which purpose was papyrus used? A. Building coffins B. making clay C. ink D.making paper