Can you cancel out sin theta if they are present in both sides of the equation?

Q: Use a graphing calculator to determine whether the equation cos x = 5x 2 -8x 4 has any solutions.

A:

Q: Find csc-1(4.3) (in radians).  (Hint: Use sin-1)

A:

Q: Write r = 9 sin 0 as an equation in rectangular form.

A: We will use the formulas:1) r2=x2+y22) x=r·cosθ3) y=r·sinθ

Q: Write the equation of the Law of Cosines?

A: We have to write the law of cosine

Q: sine and cosine to which variable it should correspond to?

A: Clockwise Motion: If a particle moves clockwise around a circle, the angle it makes with the…

Q: Write z = 2(cos 60° + i sin 60°) in rectangular form.

A: Write z = 2(cos 60° + i sin 60°) in rectangular form.