1) Using the formula: cos(x + y) = cos x cos y – sin x sin y, prove in stepsthat: cos? x =1+cos 2 x2) Find in steps: lim x2 sin -X-0-x + 1, x 2 03) Let f (x) =sin xx² +-2(a) Find left-hand and right-hand limits as "x" approaches "zero".(b) Does lim f (x) exist? Why?4) Find an equation of the line through the point (3, 2) that is parallel to the line2x + y +5 = 0.5) Find the vertex, x-intercepts, and y-intercept, and graph the equationy = -x2 +x + 4.6) What is the domain and associated range of y = v8 + x3V

Name: 1) Using the formula: cos(x + y) = cos x cos y – sin x sin y, prove i
Uploaded: 2024-03-20T06:47:22.000Z
Channel: Bartleby
Description: 1) Using the formula: cos(x + y) = cos x cos y – sin x sin y, prove in stepsthat: cos? x =1+cos 2 x2) Find in steps: lim x2 sin -X-0-x + 1, x 2 03) Let f (x) =sin xx² +-2(a) Find left-hand and right-hand limits as "x" approaches "zero".(b) Does lim