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13596410. cos?0 (1 + tan?0) col 0 12. cSc 0 sin 0jonometric Expressions Simplify thecos x sec x 14_ cot X1 + cot A 16. csc A 18. sin" & CO...

Question

13596410. cos?0 (1 + tan?0) col 0 12. cSc 0 sin 0jonometric Expressions Simplify thecos x sec x 14_ cot X1 + cot A 16. csc A 18. sin" & CO

13596 4 10. cos?0 (1 + tan?0) col 0 12. cSc 0 sin 0 jonometric Expressions Simplify the cos x sec x 14_ cot X 1 + cot A 16. csc A 18. sin" & CO



Answers

Verify the identity. $$\left(\csc t-\cot \theta^{4}(\csc t+\cot \theta)^{4}=1\right.$$

All right. We want to find co tension of pi over four. So we're gonna come to Pi over four co tangent is co sign over sign. So you get radical to you over to divided by radical to over to just just equal to one.

The simple number 42. We need to simplify the expression which is Kosik Theater plus one by one by science car theta. Okay, plus cozy theater now 1%. But it will be equal toe Kosik squatted a according to our reciprocal identity. So let us right constantly topless one by course Exc Arteta plus concept theater. This is constipated, plus fun by because the data constantly topless one these two will get against Lord and one because of theater will become a call to sign data according to a typical identity. So this will be dancer. Thank you.

This is problem number 20. Yeah, in which we need to verify that NTT one plus sick four X divided by sign for X place 10 4 X equal to concept for X. Okay, so we'll be just transforming our left inside in two right and side using some basic identity. So left hand side is one plus sick for X by sign for X place 10 Forex. Let us convert it everything inside in the course so this will be one plus sick four x men's one by cause for X divided by sign forex William. And as it is, bless sign for X by cause for X So in numerator it will be a simply cause for X plus one because four x on in denominator, it will pay cause for text sign for X cause for X plus sign for ICS. Okay, so let us Alright, It as a zit is cause for X developed by If it takes sign forex common, it will become cause for X plus one by course forex William And as it is so cause for X plus one by cause for X in two, this will be reversed. So reverse means this will cause for X will go in the numerator and this will be then this will be in the denominator. So this will be cause for extra Went by sign for X cause for X plus one cause for X cost for expedient canceled out cause for X plus one and cause for exports one will get canceled out. We will be left with one by signed for X And according to our reciprocal identity this will be call sick for X which is our right inside. Thank you so much.

Are saying? Look, session will have this expression to Paul. So looks and sees that both sides are perfect square, so we can spend them into their defensive squares. So that means that square likes attention. Where crimes seconds spur X plus attention. Where? So now I know that I know that one class call Attention. We're actually supposed to go for acts, so that means one because too sequence for X minus 200 the ex. I love this. This part because one and this part we can really do and say about. So we're gonna leave that alone So that ISS secret spur less attention. Burger looks dancer.


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