How do you verify sec(x)−cos(x)=sin(x)⋅tan(x)?
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Answer:
It’s simple
Step-by-step explanation:
Sec x - cos x
1/cos x - cos x
Taking LCM
1-(cos x )^2/cos x
Using cos^2x + sin ^2x=1
Sin ^2 x/cos x
Sin x* (sin x / cos x)
Sin x * tan x
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