Answer:
<h2>cos90° = 0°, tan0° = 0°,</h2><h2>cos(-90°) = 0°, cot270° = 0°</h2>
Step-by-step explanation:

Answer:
a₁ = 10
Step-by-step explanation:
The common difference d is calculated as
d = a₃ - a₂ = - 20 - (- 5) = - 20 + 5 = - 15
Then
a₂ - a₁ = d , that is
- 5 - a₁ = - 15 ( add 5 to both sides )
- a₁ = - 10 ( multiply both sides by - 1 )
a₁ = 10
Answer:
A sphere
Step-by-step explanation:
Volume: 523.5988inch^3
Radius: 5
Answer:
The answer is 5.
Step-by-step explanation:
(2x+3)(x+1) Use the FOIL METHOD
2x²+2x+3x+3
2x²+5x+3.