Pre-Calculus

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1. Find the complete exact solution of sin x = −√3/2. 2. Solve
1. Find the complete exact solution of sin x = −√3/2. 2. Solve cos 2x – 3sin x cos 2x = 0 for the principal value(s) to two decimal places. 3. Solve tan² x + tan x – 1 = 0 for the principal value(s) t… read more
Stevewh
Teacher
Bachelor's Degree
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1. Solve the absolute value equation. Check your solutions.
1. Solve the absolute value equation. Check your solutions. |5x + 13| = –7 2. Simplify the expression below. 6n2 - 5n2 + 7n2 3. The total cost for 8 bracelets, including shipping was \$54. The shipping… read more
Ryan
Engineer
Bachelor's Degree
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1. complete the equation, to the right of the equal sign,
1. complete the equation, to the right of the equal sign, to illustrate the commutative property of multiplication. d.z= 2. Use the commutative property of addition to write an equivalent algebraic ex… read more
Ryan
Engineer
Bachelor's Degree
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1. The cosine function for a specific angle in a triangle is
1. The cosine function for a specific angle in a triangle is defined by the ratio of the triangle's A. adjacent side and opposite angle. B. opposite side and adjacent side. C. adjacent side and hypote… read more
Ryan
Engineer
Bachelor's Degree
9,194 satisfied customers
1- what is the frequency of y=(pie/3 x)? a. pie/3 b. 1/3
1- what is the frequency of y=(pie/3 x)? a. pie/3 b. 1/3 c. 1/6 d. 3 2- how many soltions does the system x=10y y=sin x have? a. 4 b. 10 c. 6 d. 7 3. what is tan the power of -1 root3/3 ? a. pie/4 b. … read more
Trigeoscal
College Math Professor
Master's Degree
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when we write lim[x:c, f(x) =L]we mean that for every epsilon
when we write lim[x:c, f(x) =L]we mean that for every epsilon > 0 there exists a corresponding delta > 0 such that for all x in the domain of f with 0 < |x-c| < delta we have|f(x) - L| <… read more
Trigeoscal
College Math Professor
Master's Degree
960 satisfied customers
For Mr. Glenn G. only;You already solved this for me previously,
For Mr. Glenn G. only; You already solved this for me previously, I just need you to look at (e) and (f) (http://www.mediafire.com/?cd36upn2dkp2fp1) when we write lim[x:c, f(x) =L]we mean that for eve… read more
Trigeoscal
College Math Professor
Master's Degree
960 satisfied customers
FOR SCOTT ONLY,Hope all is well Scott, I sent a question
FOR SCOTT ONLY, Hope all is well Scott, I sent a question out but for some reason don't think it actually went througH. My name is XXXXX XXXXX used you a while back MANY times in the past for math hel… read more
Scott
Master's Degree
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"for ryan" 1.find tan 2x if sin x = 0.5(in sec quad0 tan2x=? 2.simplify
"for ryan" 1.find tan 2x if sin x = 0.5(in sec quad0 tan2x=? 2.simplify the given expression by giving the results in terms of one half of the given angle.then use the calculator to verify the result.… read more
Ryan
Engineer
Bachelor's Degree
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solve the trig equation analytically (using identities when
solve the trig equation analytically (using identities when necessary for exact values when possible) for values of x for 0<_ x < 2pi. 4 tan x + 2 = 3 ( 1 + tan x)… read more
Mijcar
Consultant
Master's Degree
67 satisfied customers
use identities to simplify the following expression. 2 tan
use identities to simplify the following expression. 2 tan 7 deg/1 - tan^2 7 deg a. tan 7 deg b. cos 7 deg c. tan 14 deg d. sin 14 deg… read more
Ryan
Engineer
Bachelor's Degree
9,194 satisfied customers
find the exact value of tan 240 degrees. using the functions
find the exact value of tan 240 degrees. using the functions of 120 degrees. rewrite the expression using double angle identities.… read more
Ryan
Engineer
Bachelor's Degree
9,194 satisfied customers
Math Essay: Show all work. A school designer wants to create
Math Essay: Show all work. A school designer wants to create a whiteboard with the optimal dimensions to enhance learning. It is determined that if one side of the whiteboard is x + 3y inches, the oth… read more
Sandhya_sharma
Master's Degree
Master's Degree
189 satisfied customers
I need to understand how to rearrange & resolve equations that
I need to understand how to rearrange & resolve equations that include sin & cos, but I can't find a clear note of these rules in my course textbooks. Using the following example can you please define… read more
Osbert12
Master's Degree
2,468 satisfied customers
1.) Find an algebraic expression for cot[arcsin(1/2x0] 2.)
1.) Find an algebraic expression for cot[arcsin(1/2x0] 2.) Simplify: Hint* Diff. of 2 perfect squares [(x+y)+1][(x+y)-1] Please Show work and explain! Thanks a ton!… read more
Osbert12
Master's Degree
2,468 satisfied customers
I need help with about 21 Algebra questions. Most of the problems
I need help with about 21 Algebra questions. Most of the problems I just need a double check on but there are a few that I'm completely lost. \$50 dollars, any takers? 1. (4a^4-2a^3+4a^2+16a-10)+(a^5+1… read more
Osbert12
Master's Degree
2,468 satisfied customers
Express f(x+iy) = (x^2 +y^2) exp(Ai tan-1(y/x)) in the form
Express f(x+iy) = (x^2 +y^2) exp(Ai tan-1(y/x)) in the form f(z) = u(x, y)+i  v(x,y): Use the Cauchy-Riemann equations to nd a value for parameter A so that the function is differentiable. Simplify t… read more
akch2002
Master's Degree
2,396 satisfied customers
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