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Math problem help please?

What do I need to learn before learning Calculus?

find the exact value of [tan25+tan50] / [1-tan25tan50]?

Polar Coordinates Question! Help please?!?

given tanx=2t/(1-t^2) cosx = (1-t^2)/(1+t^2) sinx=2t/(1+t^2) where t=tan(x/2)?

express the following trigonometric function in terms of t when tan(x/2)=t?

I need help please I don't get it!?! Systems and probability review.?

the area of a rectangular room is 238 square feet. the width is 3 feet less than the length. find the dimensions of the rooms.?

prove for x?

How long does it take?

Integration problem?

Math help!!! transforming a linear fuction 9th grade!!!!!! please help. vertical strtch by 2.5 on f(x)=3x-4?

The longer leg of a right triangle is 3 cm longer than the shorter leg.?

what is the probability that a person is over 6 feet tall if the mean height of her age group is 5'6'' and the standard deviation is 10''?

solve for x. 3^(x-1) = 2(x-4)?

List each individual transformation : f(x)=2(√ (2-x)) -4?

How do you prove by induction that for any real number x>= -1 and any natural number n, (1+x)^n >= 1 + nx?

Sam and Sarah have taken their math textbooks to the top of a 12 story building and look at the pool which is 160 straight below them. Sam..?

Given equation, how must you choose c so that f(x) is continous for all x ∈ (-∞,∞)?

Given equation,which value must you assign to a so that f(x) is continuous at x=1?

Find the point on graph of y=x^2 at which the tangent line is parallel to the line y=6x-1?

48% of what number is 102?