anonymous
  • anonymous
Please help! Verify the identity. 4 csc 2x = 2 csc2x tan x
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
@Nnesha @jango_IN_DTOWN ???
anonymous
  • anonymous
Can you help me solve this??
jango_IN_DTOWN
  • jango_IN_DTOWN
wait a bit

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anonymous
  • anonymous
Okay, thank you.
jango_IN_DTOWN
  • jango_IN_DTOWN
is it \[4\csc 2x=2\csc ^2xtanx \]
jango_IN_DTOWN
  • jango_IN_DTOWN
\[4\csc 2x=\frac{ 4 }{ \sin 2x}=\frac{ 4 }{ 2\sin x \cos x }\]
anonymous
  • anonymous
\[4 \csc 2x = 2 \csc^2x \tan x\]
jango_IN_DTOWN
  • jango_IN_DTOWN
\[=2\csc x\frac{ \sin x }{\cos x }\frac{ 1 }{ \sin x }\]
jango_IN_DTOWN
  • jango_IN_DTOWN
\[=2\csc^2xtan x\]
anonymous
  • anonymous
Can you explain how you got that answer.
jango_IN_DTOWN
  • jango_IN_DTOWN
I multiplies numerator and denominator by sin x and 1/sin x =csc x and sin x/cos x=tan x
jango_IN_DTOWN
  • jango_IN_DTOWN
*multiplied
jango_IN_DTOWN
  • jango_IN_DTOWN
sin 2x=2 sin x cos x
anonymous
  • anonymous
Thanks a million again!! @jango_IN_DTOWN
jango_IN_DTOWN
  • jango_IN_DTOWN
write the reasons wherever you use other identities.. The teacher will be happy too.:)

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