### Evaluate integral of inverse trig function

What is the solution? Evaluate the integral: ∫ds∕ 9-4s² domain: 0 ≤s≤3√2∕4

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What is the solution? Evaluate the integral: ∫ds∕ 9-4s² domain: 0 ≤s≤3√2∕4

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Find identities related to sin^2 x + cos^2 = 1.

What is the angle of elevation of the sun when a 35ft mast casts a 20 ft shadow?

1. If a + b = 7, and a2 + b2 = 37, then what is the value of ab? 2. Isn't there an easy way to find out Pythagorean Triplets? 3:4:5 6:8:10 5:12:13 8:15:17 7:24:25 Please provide an equation or easy way to get triplets- e.g. some kind of relation. ---

Simplify: tan (2 arc cos (x/3)) Solution shall not contain trig and inverse trig functions. Do not use calculator.

[sin(x)^4 - sin(x)^2]/[sec(x)]= I tried simplifying, but I get cos(x)^5 - cos(x)^3 and this isn't right.

Set -pi/2 <= x <= pi x = arcsin[sin(5pi/3)] = _______pi x = arcsin[sin(7pi/4)] = _______pi x = arccos[cos(-5pi/6)] = ______pi x = arccos[cos(3pi/2)] = _______pi x = arccos[cos(3pi/4)] = ______pi x = arctan[cos(3pi/2)] = ______pi x = arcsin[sin(7pi/6)] = _____pi Write as a multiple of pi. pi = 3.14159.

Given a space curve C defined by r(t)=(3 sin t)I + (3 cos t)j + 4tk. Find v(t), a(t), T(t), K, N(t), B(t), aT and aN at t=pi/2. ---

(See attached file for full problem description and diagrams) --- Need help with the following questions. A Little League team is building a backstop for its practice field. It is made up of two right angles as shown below. The backstop extends 24 feet 8 inches out in each direction and the center pole is 6.5 yards high.

Suppose sin t = 6/7 and cos t < 0 How do I find cos t?

In the movie Close Encounters of Third Kind, there was a scene where the star, Richard Dreyfuss, was approaching Devil's Tower in Wyoming. He could have determined his distance from Devil's Tower by first stopping at point P, and taken a measurement of the angle from his location to the height of the tower of 13.5 degrees. He

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I am trying to find the grad function of the spherical polar coordinates shown on the attached file. I have completed the question to a certain extent but am not sure if it is correct. Could you please ensure its accuracy and complete by simplifying the solution (trig identities etc) as I am unable to do so? (See attached f

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I have included all details on attached file. Please help me get to the final line of the question. Many thanks

Please see attached

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Trigonometry Review 1. Assume the angle of inclination of the sun is given by Theta = (pi/12)t, where t is the number of hours after sunrise. Suppose we have a 10 meter high flagpole. a. What is the angular velocity of the sun? b. Write an equation for the length of the flagpole's shadow when the angle of the sun is theta rad