I'm having trouble solving the above question, as well as the one below tan20+tan10/1-tan20tan10=

I'm having trouble solving the above question, as well as the one below tan20+tan10/1-tan20tan10=

Two points, A and B, are on a sphere of the radius 4000 miles. The angular speed of point A is pi/15 radian per hour. How do I find the Linear velocity of Point A? Thanks in advance.

A man travels 6 miles due east, and then 4 miles northwest. What is the direction and distance back to his starting point? - I want to understand how to set this up using a picture...

A woman looks at a plane flying directly at her at a constant height and a speed. The plane is traveling 400mph. She first sees the plane at an angle of elevation of 6 degrees with the horizontal...

Tan and sin if sec=4 Sin >0

(x-3)(x+1)(x+4)≤0

A ferris wheel has 16 seats and a diameter of 60 feet. The wheel lets off the passengers is one seat, and a hen revolvs until the next seat is at the platform. Approximately how far does each...

an organization determines that the cost per person of chartering a bus is given by the formula c(x)= 250+7x/x write the number of people, x, as a function of c

A vector has terminal point (4, 8) and begins at the origin. What is the angle measurement of the vector relative to zero?

A vector has terminal point (4, 8) and begins at the origin. What is the angle measurement of the vector relative to zero?

A vector has terminal point (9, -10) and begins at the origin. What is the angle measurement of the vector relative to zero?

A vector has terminal point (-1, -4) and begins at the origin. What is the angle measurement of the vector relative to zero?

compare it with the degree measure and include the origin, applications, benefits or drawbacks.

4^2x-3=8^x+4

A fish swims at a speed v relative to the water, against a current of 15 mi/h. Using a mathematical model of energy expenditure, it can be shown that the total energy E required to swim a distance...

Line m passes through C(-2,0) and D(1,-3). Write the equation of line m in standard form.

As well as this one below. I'm just having trouble understanding the process and steps. Find all the solutions in [0,2pi) sin^2(t)-cos^2(t)=0 3. Solve...

A vector starts at (3, 5) and terminates at (8, -2). What is the y-component vector? Round to 2 decimal places.

Cos3x=cosx

x^2+y^2+6x-10y-10=0

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