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

3) Your piggy bank has only nickels and dimes. There 21 coins totaling $1.35. How many of the coins in your piggy bank are dimes? How many are nickels?

Please explain what is a Energy is

Directions: Find x and y.(Pa-help po please, salamat!)

Help I am Not sure how to answer this Math Question Use the graphs to identify the following: axis of symmetry, x-intercept(s), y-intercept, & vertex.

81x-27=81x−27 what is the answer

What does the term full unemployment mean? a. Most workers who want a job are able to find one. b. There are very few part-time workers c. The unemployment rate

How many grams are in 1.2 moles of neon

Which statements about human sperm cells are true? choose all that apply

A person who perceives himself as insufficiently muscular in appearance, regardless of actual muscle size, is said to have.

WHAT 2+2 if you guys know it 22 2 4 0