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

4. Which value for x makes the inequality below true? Please help me

what is the acceleration of something that is not moving?

4. Here are the equations that define three functions. f(x) = 4x - 5 = g(x) = 4(x - 5) h(x) =x/4 -5 a. Which function value is the largest: f(100), g(100), or h

Given the information in the table, predict what the mass of a helium atom should be. Type answer here

Find angle spt. Show your work. Hurry plssss!!!

Please I will give brainliest please help me

2) Jeff purchased 5 items at the same price and 1 item for $4.75. What was the individual price of the 5 items if Jeff's total was $27.65 before tax? quidolino

Find the value of :[tex] \large \red{ \mathfrak{ \frac{5}{8} \: of \: 20 \: cm}}[/tex]

In what ways are state and federal courts similar?

An advantage of using natural gas, rather than oil, as a fuel is that natural gas is:.