Radian symbol, and in mathematical writing the symbol "rad" is almost always omitted. When quantifying an angle in the absence of any symbol, radians are assumed, and when degrees are meant the symbol ° is used. It follows that the magnitude in radians of one complete revolution (360 degrees) is the length of the entire circumference divided by the radius, or , or 2. Thus 2 radians is equal to 360 degrees, meaning that one radian is equal to 180/ degrees. The relation formula_1 can be derived using the formula for arc length. Taking the formula for arc length, or formula_2.
98 Degrees and Rising 98 Degrees and Rising 98 Degrees and Rising is the second album released by American boy band 98 Degrees. It was recorded at Blue Wave Studios in Vancouver, British Columbia, Canada and released by Motown on October 20, 1998. The album features the singles "Because of You" and "The Hardest Thing", which peaked at No. 3 and No. 5 on the "Billboard" Hot 100 respectively. The album also features two covers, Mark Wills' "I Do (Cherish You)" and "She's Out of My Life", made famous by Michael Jackson. It also features a duet with label mate Stevie Wonder, "True to