Mathematics, 07.04.2020 20:16 ThePotato381
Ok.. So I see a recurring theme that we do not cover in any of my lecture notes. This is a trig function. COS²θ - SIN²θ = 1 I have to demonstrate why COS²θ MINUS SIN²θ = 1... But every transformation I make leads me to believe that this can never be true. Help?
Answers: 3
and 
have a maximum value of 1. And hence 
and 
will have values between 0 and 1 as they are squares and will be always positive. 
shows that 
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Ok.. So I see a recurring theme that we do not cover in any of my lecture notes. This is a trig func...
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