Trig question (1 Viewer)

highshill

Active Member
Joined
Jul 8, 2017
Messages
303
Gender
Female
HSC
2018
I know this is a very silly question but
how is cos40+cos50/cos50 =2 I am getting 1 for some reason
 

Sp3ctre

Active Member
Joined
Nov 29, 2016
Messages
187
Location
NSW
Gender
Male
HSC
2017
cos40 + cos50/cos50 is not equal to 2. Type it in a calculator and you get 1.766...

Either the question is wrong or you typed something wrong.
 

OkDen

Active Member
Joined
Mar 1, 2016
Messages
146
Location
49°51′S 128°34′W
Gender
Male
HSC
2018
Uni Grad
2025
Please post the question, coz I don't get you.
Maybe you wrote the question wrong?

2cos^2(40) + 2cos^2(50) = 2
cos^2 (40) + cos^2 (50) = 1
 

Users Who Are Viewing This Thread (Users: 0, Guests: 1)

Top