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aussy123
 2 years ago
How do I solve this problem?
Solve for cosθ in sin^2θ + cos^2θ = 1
aussy123
 2 years ago
How do I solve this problem? Solve for cosθ in sin^2θ + cos^2θ = 1

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terenzreignz
 2 years ago
Best ResponseYou've already chosen the best response.0This? \[\large \sin^2\theta+\cos^2\theta=1\]

terenzreignz
 2 years ago
Best ResponseYou've already chosen the best response.0Well, let's see... How to break this to you... cosθ can literally be any value from [1 , 1] Let me explain... the value of cosθ depends on the value of θ, right?

terenzreignz
 2 years ago
Best ResponseYou've already chosen the best response.0Well, unfortunately (fortunately?) ANY value of θ would make this statement true sin²θ + cos²θ = 1

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.1he/she needs to solve for cos so, subtract sin^2 term from both sides, what u get ?

terenzreignz
 2 years ago
Best ResponseYou've already chosen the best response.0Oops... Must have been overexcited :) My bad

aussy123
 2 years ago
Best ResponseYou've already chosen the best response.1Im trying to write it but its giving me a hard time

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.1did you mean \(\pm \sqrt{1\sin^2 \theta}\) ??

aussy123
 2 years ago
Best ResponseYou've already chosen the best response.1yes I pasted the wrong one Sorry, my computer is acting really crazy today

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.1ohh..if you meant that, then you are correct.

aussy123
 2 years ago
Best ResponseYou've already chosen the best response.1ok thanks you made this very easy, thank you.. :)

hartnn
 2 years ago
Best ResponseYou've already chosen the best response.1glad to hear :) welcome ^_^
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