Tuhu
verify tanΘsecΘ = cosΘ/1+sinΘ



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Meinme
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rationalise cosa/1+sin a and youll get the right part of equation

Tuhu
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dw:1362720006791:dw

Tuhu
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Please explain briefly TT_TT

Meinme
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k here it goes do you know how to rationalise

Tuhu
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NO

Meinme
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okay then multiply in the numerator and denominator by 1sinx and see if you get it now

abb0t
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\[\tan(\theta) = \frac{ \sin(\theta) }{ \cos(\theta) }, \sec(\theta) = \frac{ 1 }{ \cos(\theta) }\]
use the identities i provided to finish the proof.

abb0t
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combine like terms. etc. follow your algebra rules to combine fractions and so forth.

Directrix
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@Tuhu > Are the signs correctly posted on this >
tanΘsecΘ = cosΘ/1+sinΘ

Tuhu
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Yep, ^^ don't worry i'm done with this :

Directrix
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What do you mean? I am about to verify it. It is fairly short.

abb0t
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time to go home.

Directrix
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The signs on the problem are correct, right?

Tuhu
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Yes

Directrix
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Great. See you later.

Directrix
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Directrix
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Directrix
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This statement does not appear to be a trigonometric identity.
@Tuhu

Tuhu
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Really? umm you guys are so helpful ^^ I really like drawing compare to math because i suck solving problems _____dw:1362726331057:dw