Precalculus Archive: Questions from May 14, 2022
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only31,34
In Exercises 31-36, find the exact value of the expression. 31. sin 330° cos 30º - cos 330° sin 30° 32. cos 15º cos 60° + sin 15° sin 60° T 33. sin TT COS + COS 12 sin 4 37 TT Зп 34. cos COS1 answer -
I need only 9,17,23 and 29
PREREQUISITE SKILLS REVIEW: Practice and review algebra skills needed for this section at www.Eduspace.com. 23. + 1 CSCX+1 COS X sinx.co tan CON 24. COX- In Exercises 1-38, verify the identity. 1. sin1 answer -
Solve the following sustems of linear equations and demonstrate if it inconsistent. b,c,d
-- (a) 1. Resuelva los siguientes sistemas de ecuaciones lineales o demuestre que es inconsistente. - 2y +32 7 3x - 2y + 2z = 6 2x + y + z 4 7 - 3y + 2x -1 -3.3 + 2y - 2x -10 2x - 3y + 4z 0 B = R12 R21 answer