Assuming A + B = 90° wherever B occurs, prove the following identities: 2 1.) Sin A + tan ² A = Sin A Sec² A +1 CSC A

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A: NOTE: Refresh your page if you can't see any equations. . divide both sides by -10

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Q: (d) If (x, y) = (9, 7) then (r, 0) = ( ),

A: according to bartleby guide line we do only first part of multiple questions formula used is…

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A: DeMoivre's Theorem rcosθ+isinθn=rncosnθ+isinnθ

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A: NOTE: As per our guidelines, I have solved three parts. If you want solutions of rest, kindly post…

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Q: Find the angle rounded to the nearest tenth of a degree. cos(B) = 0.4509 11

A: NOTE: Refresh your page if you can't see any equations. . the given expression is