Question

Asked Oct 21, 2019

establish the following identities:

sin3x=(sinx)(4cos^2 x-1)

Step 1

Given,

...Tagged in

Q: photo attached

A: Given that,

Q: The length of the base of an isosceles triangle is 38.15 inches. Each base angle is 24.94. Find the ...

A: Let ABC be the isosceles triangle with base BC and equal sides AB and AC. Then BC=38.15 inches and a...

Q: Perform the transformation.Write sec x in terms of tan x.

A: Consider the identity

Q: 1 - cos2 x/sin x

A: To simplify the expression.

Q: Find sin(2θ) if tan(θ) = 2/3

A: Consider the given trigonometric equation:

Q: write the following in terms of x without trig or inverse trig functions and simplify. In each case,...

A: Given,

Q: As we discussed earlier in Problem Set 4.2, any object or quantity that is moving with a periodic si...

A: Given information:

Q: A pendulum swinging through a central angle of 67° completes an arc of length 7.2 cm. What is the le...

A: Let the length of the pendulum is = r cm 67 degree= 67pi/180 radian

Q: Trigonometry Question

A: Using reciprocal property.