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Trig help!?



A ball is thrown at an initial height of 80 feet at an initial velocity of 60 feet/second at an angle of 60 degrees. 

Given the parametric equations 

y=-16t2+Vo⋅sin(θ)t+ho and 

x=Vo⋅cos(θ)t 

a. What is the ball s height in 2 seconds? 
b. When will the object hit the ground? 
c. How far horizontally will the ball be when it hits the ground? 
d. When will the ball be at its maximum height? 
e. What is the ball s maximum height? 
f. How far horizontally will the ball be when it reaches its maximum height? 

Please help.



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