3. sin(x +y) + sin(x - y) = 2 sin x cos y
The given ide...
sin(x+y)+sinx-y)=2 sinx cos y
Q: photo attached
A: The given identity is
Q: establish the following identities: cos(-theta)cot theta-csc theta=sin(-theta)
A: As we know that costheta is an even function. and sin^2theta+cos^2theta=1
Q: What is the exact value of 2sin(x/2) * cos(x/2) if sin of x = 3/5 and cos of x = 4/5 ?
A: To determine the exact value of the expression.
Q: A mixing blade on a food processor extends out 3 inches from its center. If the blade is turning at ...
A: Given that
Q: see attachment
A: To evaluate the trigonometric ratios of twice the given angle
Q: Electrical wire is being wound around a drum with radius of 1.49 meters. How much line (to the neare...
A: Given,Electrical wire is being wound around a drum with radius of 1.49 meters and angle is 275.3 deg...
Q: solve the following equation over the indicated interval. Show steps without using a calculator, and...
A: To find all the solutions (in radian measure) for the equation sin 4x = 1/2
Q: Solving for both
A: Given equation is
Q: What are the steps to solve (2x+1)2-3=22?
A: The given equation is,