idisaguilar74
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 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

Why is the sky blue? (explain)
A summary of an informational text must show the relationship between the author’s viewpoint and the A: insignificant details. B: information presented. C: illu
Vaping is the breathing in /inhalation of _____ and other______ that have been turned into a vapor by the use of _______
Does anyone know how to do this???
Question 25 of 25 What is meant by the term flow in fiction? A. The uninterrupted forward movement of the story B. The use of words that carry meaningful associ
your manager asks you to set up a secure network connection at a remote site to move over some backups which protocol would you ues?
can someone please help me​
when data is input into computer the number or words we understand are translated into binary number system. is it true or false​
If a line segment contains one endpoints at (4,8) and has midpoint (10,5)what is second endpoint
The functions f and g are defined as follows.