How do you solve cos(2arcsin 1/4) using inverse trig. functions...

1. Solve 3=log8+3logx 2. Solve 2logx-log4=0

Solve P=P(base 0)e^kt Solve for t? I have no idea how to solve this

Solve the proportions. (Solve for x) 1. 3x/7 = 8/21 2. 20/10 = x+2/5

2arcsin(x/underroot6)+arcsin(4x)=180/2

Solve and show steps. Solve the formula for the indicated variable. T=3U/E , solve for U

Solve the equation. Solve for d. 2/7d-1/5=1/9

Solve the equation. Solve for x. 5/6x-1/3=-2

Solve the equation. Solve for x. 7/4y-12=-5

Solve the equation. Solve for x. 3x-17=13

solve and show steps to solve : x^2 + 4 = 53

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