Consider the following system of nonlinear equations (assume 0< θ1, θ2 <90)

Cos(θ1)+ 2Cos(θ2)= 1.2975
Sin(θ1)+ 2Sn(θ2)=2.2429

a. Solve for θ1 and θ2 by hand (Using the trigonometric identity sin^2(θ) + Cos^2(θ)=1)
b. Solve for θ1 and θ2 using MATLAB.

Which speed is the fastest (use 1 mile ≈ 1.6 kilometers)? a. 12 miles/hour b. 18 feet/second c. 19 kilometers/hour d. cannot be determined

According to the number line, what is the distance between points a and b? v ++ + + + + -16 -14 -12 -10 -8 + 6 + 4 + -2 + 0 + 2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 o6 units o 7 units 12 units o 14 units

One month, a music site observed that 60% of the people who downloaded songs from its site downloaded q sam's latest single. the equation below represents this information, where x represents the total number of people who ddownloaded songs from the site that month: x = 0.6x + 384 how many people who downloaded songs from the site that month downloaded q sam's latest single?