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

An copper mass is heated and placed in a foam cup calorimeter containing 45.0 mL of water at 24.0 degrees celcius. The water reaches a temparture of 75 degrees

as authors of american romanticism, hawthorne, melville, and poe all wrote about the central theme of ___

f(x) = X^2. what is g(x) A. g(x) = x^2 - 4 B. g(x) = x^2 + 4 C. g(x) = -4x^2 D. g(x) = -x^2 - 4

Eres más inteligente que yo. Correct Incorrect

1. welcher satz ist richtig? a. weisst du, wann fahrt der zug ab? b. weisst du, wann der zug fahrt ab? c. weisst du, wann abfahrt der zug? d. weisst du, wann d

How did the industrial revolution change the nature of capitalism

How are the main concepts of "Some Keep the Sabbath Going to Church" and "Because I Could Not Stop for Death" treated in both poems

Mr. Parker asked his students to draw and label a solid figure. He gave these directions: . Use two rectangular prisms e The volume should be 544 cubic centimet

Amy has a bowl of cereal for breakfast. the amount of cereal in the box (y) is determined by the number of days (x) that have passed since she purchased the cer

help solve! stuck on factoring