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Verify 1-( sin^2 X) / (1+cosX) = cosX?

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  • Verify 1-( sin^2 X) / (1+cosX) = cosX?


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Let us define f(x) Tge difference between the two terms. We are going to prove that f(x) =0 for all values of x . Remember that cos^2 x + sin^2 x =1 for all x.
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Positive: 76 %
Verify the trig identity ... This feature is not available right now. Please try again later.
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Positive: 73 %

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... sin(x)-cos(x)=1 Bei Aufgabe 1 und 3 hilft dir der Zusammenhang sin²x + cos²x = 1 weiter (nach cos x auflösen und einsetzen).
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Positive: 76 %
verify: (1-sin x)/(1+sin x)=(sec x-tan x)^2 ** ... (1-2sin+sin^2)/cos^2 1/cos^2-2sin/cos^2+sin^2/cos^2 sec^2-2sin/cos^2+tan^2 sec^2-2/cos*sin/cos+tan^2
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Positive: 71 %
... {\sin x \over 1-\cos x}+{\sin x \over 1+\cos x ... (1+\cos x)+\sin x (1-\cos x) \over 1-\cos^2 x}\] \[={ \sin x (1+\cos x+1 -\cos x) \over \sin^2 x ...
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Positive: 57 %
... verify the identity cosx/1+sinx + cosx/1-sin x=2secx ... cosx/1+sinx + cosx/1-sin x=2secx Multiply by (1-sin^2) cos*(1-sin) + cos*(1+sin) = 2sec*(1-sin^2)
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Positive: 34 %

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