could someone explain finding cos(11pi/12) using Sum and difference Identities. it must use one of these: cos(α+β)=cos(α)cos(β)−sin(α)sin(β) or cos(α+β)=cos(α)cos(β)+sin(α)sin(β) Im...
could someone explain finding cos(11pi/12) using Sum and difference Identities. it must use one of these: cos(α+β)=cos(α)cos(β)−sin(α)sin(β) or cos(α+β)=cos(α)cos(β)+sin(α)sin(β) Im...
A vertical mast stands on horizontal ground. A surveyor standing due south of the mast measures the angle of elevation of the top as 37°28'. he walks in a direction N 79° 40' W to a point 72 m from...
A utility pole is anchored to level ground by two 53 ft wires, one on each side of the pole. The wires make a 65 (degree) angle with the ground below. How far apart along the ground are the wires...
Find all complex solutions of the equation x^3-i=0. Leave answers in polar form.
Find all cube roots of -2+2i.
What is the horizontal component of a vector having a magnitude of 80 units and a heading of N40 (degrees) W?
What is the radius of a circle in which an angle of 3 radians cuts off an arc length of 30 cm?
Convert the following angles, assuming the radius of the circle is 1: a.) Convert 120? to radians b.) Convert 2 radians to degrees
State the period, amplitude, and mid-line of y = 7 sin(4(t + 7)) − 8
Assume 0 ≤ θ ≤ πIf cos(θ) = 1, What is csc(θ)? cot(θ)?
I don't know what to do to even start this problem.
1) A flying doctor plane flies from its base (B), in a direction of 072degreesT for 80km to reach an outback station (S). From there, the flying doctor travels in a direction...
The builder of a parking garage want to build a ramp at an angle of 14° that covers a horizontal span of 50 feet. How long will the actual ramp be?
1) A flying doctor plane flies from its base (B), in a direction of 072degreesT for 80km to reach an outback station (S). From there, the flying doctor travels in a direction 162degreesT for...
how do you find the angle of a triangle with sides (6u-1) and (1u) and an area of 5cm^2 ? there was a question like this in a test i did but i couldn't work out the...
1) A flying doctor plane flies from its base (B), in a direction of 072degreesT for 80km to reach an outback station (S). From there, the flying doctor travels in a direction 162degreesT for...
tan34/2(1-tan34) =(2/2)[tan34/2(1-tan34) =2tan34/4(1-tan34) i need to have the form 2tanA/1-tan^2A but i cant eliminate the 4
would someone be able to help me
Suppose Cot(θ) =-3 and Cot(β)=-6, and π/2<θ, β<π, find the following: a) cos(θ+β) b) sin(2β) c) tan(θ+θ) d) sin(β/2)
Solve exactly between 0<x<2pi 2sin2x+sin(2x)+cos(2x)=0 Please and thank you!!!!