Use the unit circle and, if necessary, a calculator to find all solutions θ for 0 ≤ θ ≤ 360: (a) cos ​θ​ = −1 (b) cos ​θ​ = 0.3420 (c) sin ​θ​ = (d) tan ​θ​ = 6.3138

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

What is the missing step in this proof ?

Consider a cube that has sides of length l. now consider putting the largest sphere you can inside this cube without any point on the sphere lying outside of the cube. the volume ratio -volume of the sphere/ volume of the cube is 1. 5.2 × 10−1 2. 3.8 × 10−1 3. 1.9 4. 2.5 × 10−1 5. 3.8