y = -14sin(8x)2cos(5x) - 4sin(5x)cos(8x)

y = -14sin(8x)2cos(5x) - 4sin(5x)cos(8x)u = -14sin(8x) u' = -112cos(8x) v = 2cos(5x) v' = -10sin(5x) u2 = -4sin(5x) u'2 =
1. 1 answer
2. asked by Jennifer
3. 698 views
The height of a windmill blade above the ground (in feet) is given by the function f where f(k)=14sin(1.1k)+24. Match the
1. 0 answers
2. asked by Nevaeh
3. 672 views
Multiply then use fundamental identities to simplify the expression below and determine which of the following is not equivalent
1. 1 answer
2. asked by Tristian
3. 1,658 views
y = 2[cos1/2(f1 - f2)x][cos1/2(f1 + f2)x]let f1 = 16 let f2 = 12 therefore y = 2[cos1/2(16 - 12)x][cos1/2(16 + 12)x] y =
1. 1 answer
2. asked by Lola
3. 651 views
Given that 2cos^2 x - 3sin x -3 = 0, show that 2sin^2 x + 3sin x +1 = 0?Hence solve 2cos^2 x + 4sin x - 3 = 0, giving all
1. 2 answers
2. asked by Sean
3. 967 views
How are these solved?1. cosx+1=0; x ∈ R 2. 4sin^2 x - 1 = 0; x ∈ R 3. 2cos^2 x + 3cosx + 1 =0;0 ≤ x < 2π
1. 1 answer
2. asked by Anonymous
3. 486 views
Solve 2cos^2(x) + 4sin(x)-3 = 0, giving all solutions in the interval 0 ≤ x ≤ 2π
1. 3 answers
2. asked by Sean
3. 579 views
Solve the equation for solutions in the interval 0<=theta<2piProblem 1. 3cot^2-4csc=1 My attempt: 3(cos^2/sin^2)-4/sin=1
1. 2 answers
2. asked by Renee
3. 1,694 views
If f(x)=sin(2x), find f"(x)A. 2cos(2x) B. -4sin(2x) C. -2sin(2x) D. -4sinx E. None of these Is it B from using chain rules?
1. 0 answers
2. asked by Anonymous
3. 392 views
Solve the following Trigonometric equations, where 0 <= x <= 2πa) sin^2 θ-1 = 0 b) cos2θ=1 c) 4sin^2 θ-3 = 0 d) 2cos^3 - cos
1. 1 answer
2. asked by Muneer
3. 393 views