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Newest Equations and identities Questions

  1. 1. For what values is the following equation true? sin(x+20)=cos(y−10)A. X=30 and y=60 B. X=30 and y=40 C. X=20 and y=50 D.
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    2. goku asked by goku
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    2. Jojo asked by Jojo
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    2. Benny asked by Benny
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    2. Anonymous asked by Anonymous
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    2. Min asked by Min
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    2. Safi asked by Safi
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    2. LERATO VINJWA asked by LERATO VINJWA
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    2. Alexa asked by Alexa
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  2. 1 .If tanA=1/3 and tanB=1/7 (both A and B are acute),calculate 50sin(2A +B)2.1Prove that sin2A+2cosA-2cos^3A/1+sinA =sin2A 2.2
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    2. OwamIII asked by OwamIII
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    2. briane asked by briane
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  3. sin(x+(pi/4))- sin(x-(pi/4))=11. Apply the sum and difference formulas for sine to simplify the left-hand side of the equation.
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    2. Alisa asked by Alisa
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  4. Given that csc θ = -4 and tan θ > 0, find the exact value ofa. x b. sin θ c. cos θ d. r e. sec θ f. cot θ
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    2. Paula asked by Paula
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    2. patience morakile asked by patience morakile
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  5. solve and round your answer to 4 dec.sinx= .4 in [0,2pi] secx= -3 in [0,pi]
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    2. Kim asked by Kim
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  6. 1. Show that Sin3è - Cos2è = (1 - Sinè)(4Sin^2è + 2Sinè - 1).Without using a calculator, show that è = 18 degrees is an
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    2. Edwards asked by Edwards
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    2. Jon asked by Jon
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  7. q1) 2cos2x is f(x)-square root3 is g(x) solve f(x)-g(x)=0 to get points of intersection in x is between 0 and 180degrees q2) a)
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    2. MR MATHEW MATICS asked by MR MATHEW MATICS
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    2. Tiffany Enlow asked by Tiffany Enlow
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