Answer:
x=-1
Step-by-step explanation:
Answer:
decagon is 36° 20-gon is 18°
Step-by-step explanation:
divide de number of sides by 360
N/360
10/360= 36
Answer:
½ asin x + ½ x √(1−x²) + C
Step-by-step explanation:
You're going in the right direction. The next step is to use a power reduction formula:
∫ cos² u du
∫ (½ + ½ cos(2u)) du
½ ∫ du + ½ ∫ cos(2u) du
½ ∫ du + ¼ ∫ 2 cos(2u) du
½ u + ¼ sin(2u) + C
Next, we use double angle formula:
½ u + ½ sin u cos u + C
x = sin u, so u = asin x, and cos u = √(1−x²).
½ asin x + ½ x √(1−x²) + C
To convert percents to decimal form, move the decimal two place values to the left. So 0.3% = 0.003