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anonymous
 one year ago
cosec x sec x
anonymous
 one year ago
cosec x sec x

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Nnesha
 one year ago
Best ResponseYou've already chosen the best response.0write sec x in terms of sin ,cos

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.0what is the definition of secx? what does it equal to?

UnkleRhaukus
 one year ago
Best ResponseYou've already chosen the best response.0\[\csc x=\frac1{\sin x} \]\[\sec x=\frac1{\cos x} \]

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Can you do its fully work? Its questions just simplify cosec x sec x

UnkleRhaukus
 one year ago
Best ResponseYou've already chosen the best response.0\[\csc x\cdot\sec x\\ =\frac1{\sin x}\cdot\frac1{\cos x}\\ =\frac1{\sin(x)\cos(x)}\\=\qquad\vdots\]

UnkleRhaukus
 one year ago
Best ResponseYou've already chosen the best response.0now we can use \(\sin(x)\cos(x)=\frac12\sin(2x)\) so we get \[=\qquad\vdots\\ =\frac1{\frac12\sin(2x)}\\ =\frac2{\sin(2x)}\\ =2\csc(2x)\]
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