When you solve the equation: sin(theta)cos(theta) − 7 sin(theta) = 0 , why is the answer theta=π k ?

Q: 57,5ec(c05" sec/cos!

A: seccos-115

Q: b) sin 1 с) cos 2x - 2

A:

Q: solving for the exact value of sin(π/8), a student correctly uses the identity cos 2x = 1 - 2sin2x.…

A: Use given identity to simplify it.

Q: Write the general solutions for: 2 sin x+ cos x-1 = 0.

A: Given below the detailed solution

Q: Wouldn't tan(x+pi)-(-sin(x)) yield tan(x+pi) + sin(x)) instead of tan(x+pi) - sin(x))?

A: Yes , there is a mistake on that question. I give u correct solution .  tan(x + π) - cos( x + (π/2))…

Q: solve sin(theta) - 1 = cos(theta) without using the double angle formula

A: To solve  without using the double angle formula.

Q: 1. Solve 2 cosx-4=0. Explain the solution.

A:

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Q: b) Solve the equation cos0 - sin (20) = 0

A:

Q: For the equation cos 4θ = − sqrt2/2 find all degree solutions without using a calculator.

A: