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Which double-angle or half-angle identity would you use to verify the following:cscxsecx=2csc2x a) cos2x=1-sin^2x b)sin2x=2sinxcosx c)tan2x=(2tanx)/(1-tan^2x) d)cos2x=2cos^2x-1<…

Which double-angle or half-angle identity would you use to verify the following:cscxsecx=2csc2x a) cos2x=1-sin^2x b)sin2x=2sinxcosx c)tan2x=(2tanx)/(1-tan^2x) d)cos2x=2cos^2x-1<…
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Which double-angle or half-angle identity would you use to verify the following:cscxsecx=2csc2x

a) cos2x=1-sin^2x
b)sin2x=2sinxcosx
c)tan2x=(2tanx)/(1-tan^2x)
d)cos2x=2cos^2x-1

User YSN
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2 Answers

1 vote


image

User Usman Shahid
by
8.8k points
2 votes

Answer:

OPTION B.

Explanation:

User Chethaka Uduwarage
by
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