BaMA1idlyekim6miw BaMA1idlyekim6miw

25-02-2017
Mathematics

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Write the trigonometric expression as an algebraic expression.
1.) SIN(ARCSIN X+ARCCOS X) ANSWER: 1 2.) SIN(ARCTAN 2X-ARCCOS X) ANSWER: 2x²-SquareRoot of 1-x²/Square Root of 4x²+1.

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Amena2000 Amena2000

25-02-2017

1. x⋅x+√(1−x^2)⋅√(1−x^2) and this is = x^2 + 1 - x^2 thus = 1
youve already given it for Q2.
You get the answer by drawing a graph .

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