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(sin(10°)+sin(20°)+sin(40°)+sin(50°))/(cos(10°)+cos(20°)+cos(40°)+cos(50°)) = ?

How do you evaluate #f(x)=1/2x13# for #f(8)#?

Trig and Integration help please?

Trigonometric Functions Question (Area underneath a curve). Help please?

A straight line through the point (0,3) intersects the curve y^2 + x^2 27x +41 =0 at (2,3). calculate the coordinates of the point at which the line again meet the curve. can someone please explain this to me?

Question #5d2b2

How do you find the restrictions of #3/(x4)7#?

Question #06065

Question #e0d72

How do you simplify #z + 4 \leq 35#?

How do you solve #2< ( 2 2x ) < 3#?

The center of a circle is located at (−2, 7) . The radius of the circle is 2.
What is the equation of the circle in general form?

Question #e9dfa

How do you solve #3( \ln 5x ) = 24#?

How do you find a standard form equation for the line with (6,2) m=1/2?

What is the 2nd term in expansion of #(3u1)^3#?

What is #cos theta# if #(12, 5)# is a point on the terminal side of #theta#?

How do you simplify #(g^6h^2m)/(hg^7)#?

Four consecutive even integers add up to 52. What are the numbers?

How do you rationalize the denominator and simplify #(2sqrt7  4sqrt2)/( 2sqrt3)#?

How do you graph #r=1+2costheta#?

Question #4e796

Question #4931b

How do you solve the system of equations #3x + 2y =  15# and #2x = 4y + 26#?

Solve for X? (Logarithmic Equation)

How do you write an equation of a line given (7,3), m=4/7?

How do you factor and solve #x^2+5x2=0#?

A taxi company charges $2 for the first mile and then $0.25 per mile for each additional mile. If Lupita's fare was $4.50, how many miles did she travel in the taxi?

Question #4d981

The second term in a geometric sequence is 12. The fourth term in the same sequence is 413. What is the common ratio in this sequence?

Does the equation #y=5x+2# represent a direct variation and if so, identify the constant of variation?

How do you find the domain and range of #f(x) = sqrt(x9)#?

How do you find the domain and range of # (4)/(x3)#?

Question #ff261