The cosecant is the reciprocal of the sine. The cotangent is the reciprocal of the tangent. The secant is the reciprocal of the cosine. If you have sin x = 3/5, then csc x = 5/3.
The actual fuel used by the IRL is a blend of about 98 percent ethanol and 2 percent denaturant. The exact composition includes a small amount of high-octane racing fuel. The fuel for today's Indy cars has an octane rating of 113, compared with methanol's 107. This means a significant reduction in pre-ignition, or knocking and pinging. In addition, many of the people who handle the fuel, say it smells like tequila.
In: Science. A hybrid car is a motor vehicle that uses two or more different sources of power. In most hybrids, you will find an internal combustion engine in addition to an electrical motor. Depending on how the vehicle is driven and the availability of power, the car uses gasoline and battery power alternately.In this assignment, you will research five different hybrid cars and evaluate their impact on the environment.epending on how the vehicle is driven and the availability of power, the car uses gasoline and battery power alternately. In this assignment, you will research five different hybrid cars and evaluate their impact on the environment.