kaylala
TOPIC: Double & Half Angle Identities (Trigonometry)
solve for x in the ff equalities in terms of A:
tan A/4 = sin x / (1+cosx)



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kaylala
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@ParthKohli

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@Luigi0210

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@ajprincess

kaylala
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Here's where i got the question
(see #1)

kaylala
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@Luigi0210
help please

Luigi0210
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Sorry, I don't know where to start either >.>
@agent0smith @ganeshie8 @whpalmer4 @RadEn

kaylala
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i see. it's ok. i hope someone could get it >.<

kaylala
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ganeshie8
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u may use below identity :
\(\large cos(2x) = 2cos^2x  1\)