∫(x^2)/((16-x^2)^(3/2))dx I keep on getting the wrong answer.

∫(x^2)/((16-x^2)^(3/2))dx I keep on getting the wrong answer.

∫(√x^2-81)/(x^4)dx I can't seem to figure out this problem. Please help.

I'm trying to find the refrence number for each value. T=4 And T=7pi

If sin(x) = 1/4 and x is in quadrantI,find the exact values of the expressions without solving for x. (a) sin(2x) (b) cos(2x) (c) tan(2x)

identify the asymptotes in the equation, h(x) = 4 sec( π/ 4 (x + 1)).Enter your answers as a comma-separated list of equations

can someone please explain why the answer can be -8

Ok so on a math work sheet we had a problem where there was two side lengths of a triangle, 63 and 91. The third side was only described as being traveled across by a plane with an average of 300mph...

Andreia and Carlos left the airport at the same time. I'm Draya flew at a hundred and ninety miles per hour on a course with a bearing of 80 degrees and Carlos flew at 230 miles per hour on a course...

Find the solutions for the equation 7sin^2 theta - 9 cos2 theta = 0 for 0 < or equal to theta < 360 degree.

A blimp provides aerial television views of a football game. The television camera sights the stadium at a 7° angle of depression. The altitude of the blimp is 400 meters. Which of the following is...

A tower has been constructed on the bank of a long straight river. From a bench on the opposite bank and 50 m downstream from the tower, the angle of elevation of the top of the tower is 30°...

2cosx - secx = cosx - tanx/cscx

Proving a trig identity and I dont know what to do

the ferris wheel at an amusement park measures 16m in diameter. the wheel does 3 rotations every minute. the bottom of the wheel is 1m above the ground... a) determine the simplest equation that models...

I'm having trouble trying to prove this trig identity. Help is greatly appreciated. Thanks in advance. 1/(csc-cot) = (1+cos)/sin

A 5 metre tall sign is placed on top of an office building. From a point on the sidewalk level with the base of the building, the angle of elevation to the top of the sign and the angle of elevation...

Given sin x=24/25, determine all possible values of sin x/2.

rewrite the expression and find it as four linear factors

Tan = -2

I have a math problem in which I have to prove the identity sin2θ= 2tanθ/1+tan2θ using Double-Angle Identities and I'm trying to figure out how to solve it.