Simplify the expression. cos\" x- sin x sin2 23) A)-1 in D) 1 oos2 x-sin2 x Dete

Question

Simplify the expression. cos" x- sin x sin2 23) A)-1 in D) 1 oos2 x-sin2 x Determine the equation of the line described. Put answer in the slope-intercept form, if possible. 24) Through (-6,-7h perpendicular to Sx- Sy 26 24) s 83 Find the horizontal asymptole, if any, of the rational function. 25 25) fix) 6x3 -2x 2 D) None A)y-0 Find the exact function value if it exists. 26) 26) sin (-630 B) C) 1 ft. h-f For the function L construct and simplify the difference quotient 27) A) 27x-11h 12 D) 18x + 6 Find 28) tan (eos-1 ) 28)

Explanation / Answer

23. (cos4x-sin4x)/(cos2x-sin2x)

(cos2x-sin2x)(cos2x+sin2x)/(cos2x-sin2x)

cos2x+sin2x=1

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