idisaguilar74 idisaguilar74

04-04-2020
Mathematics

contestada

which sum or difference identity would you use to vertify that cos (180⁰- thata)=-cos thata

Respuesta :

MathPhys MathPhys

04-04-2020

Step-by-step explanation:

Use the angle difference formula for cosine.

cos(α − β) = cos α cos β + sin α sin β

cos(180° − θ) = cos 180° cos θ + sin 180° sin θ

cos(180° − θ) = (-1) cos θ + (0) sin θ

cos(180° − θ) = -cos θ

Answer Link

Otras preguntas

what is the most appropriate tone for a research paper or project

Birmingham, alabama, was chosen by civil rights activists as a site for major demonstrations in april 1963 because _____________.

How has the supreme court responded to newspapers' attempts to publish leaked information? click or tap a choice to answer the question?

Choose the best Spanish word to complete the sentence. No te _________. (Don't go away.) vayas vamos vaya vayes

A bicycle goes on sale at 75% of its original price of $160. What is its sale price?

When light from the Sun strikes the surface of the Earth, this light is absorbed by the ground. The ground, in turn, emits infrared light—which is actually invi

hey can you please help me posted picture of question

To identify the kinds of archetypal characters think about

If a person were presenting a paper on the 2004 presidential election, an example of a great primary source would be?

Birmingham, alabama, was chosen by civil rights activists as a site for major demonstrations in april 1963 because _____________.