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catsrule332
 3 years ago
Using the following trigonometic identity to neaton up your answer: 2cos(O)sin(O)=sin(2O). Look up what value of x( in degrees) makes sin(x) have it's largest value. Explain what angle (O) gives the longest range of a projectile with a given initial speed. Hint: What must (O) be in the expression sin(2O) for the function sin(x) to be a maximum.
catsrule332
 3 years ago
Using the following trigonometic identity to neaton up your answer: 2cos(O)sin(O)=sin(2O). Look up what value of x( in degrees) makes sin(x) have it's largest value. Explain what angle (O) gives the longest range of a projectile with a given initial speed. Hint: What must (O) be in the expression sin(2O) for the function sin(x) to be a maximum.

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SteppnStrong
 3 years ago
Best ResponseYou've already chosen the best response.0I'm assuming you can differentiate. maximum value of any function occurs when the 1st derivative is 0, and the 2nd derivative is negative. The derivative of sin is cos. That = 0 when angle = pi/2 any projectile will have a maximum range when the initial angle is pi/4.
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