sanjukewat293 sanjukewat293

29-02-2020
Social Studies

contestada

sin2A + sin2B - sin2C = 4cosA×cosB×cosC

sin2A sin2B sin2C 4cosAcosBcosC class=

Respuesta :

mnsmurthy99 mnsmurthy99

29-02-2020

Answer:

use sin2A as 2sinAcosA and solve

Answer Link

maxwellekoh maxwellekoh

29-02-2020

Answer:

Inconclusive

Explanation:

Sin2A= Sin(A+A)= SinACosA + CosAsinA=2SinACosA

Similarly

Sin2B= 2SinBCosB

Sin2C=2SinCCosC

Adding all; we cannot arrive at the expression at the right.

Answer Link

Otras preguntas

Answer the following questions showing all your work. You are trying to save up money by working in the summer. You have been able to secure two part time job

A family style wherein the father is the final authority on all family matters and exercises complete control over his wife and children is: a. paternalistic b.

Which issue is a limitation of using synthetic polymers? Check all that apply. As trash, synthetic polymers are not biodegradable. Landfills can easily fill up

What is the price of a banquet at Bella’s for 150 people

why are the spores of fungi kept inside a globe like structure

Katherine is an energetic, confident student who is not afraid to stand up in front of the class and read her essay aloud. She trusts that even if others don't

All of the following factors play a role in health disparities EXCEPT a) geographic location. b) economic status. c) inadequate health insurance. d) procrastina

what is the ratio of triangles to circle 3 trangle 2 circle

which is a charcharacteristic of all ions?

a crew of highway workers paved 2/15 mile in 20 minutes.if they continued working at the same rate,what portion of a mile wil they pave in one hour