How do you solve from intial velocity when it isn't directly given? PHYSICS HELP ASAP!?

bascially what the question is. i know something about u use sin or cos but im not completely sure. if you could explain that would be amazing. also heres a problem that involves it and if you could solve and explain this too that would be amazing ===========> a projectile is shot from the edge of a... show more bascially what the question is. i know something about u use sin or cos but im not completely sure. if you could explain that would be amazing. also heres a problem that involves it and if you could solve and explain this too that would be amazing

===========> a projectile is shot from the edge of a vertical cliff 60 m above the ocean. it has a speed of 1000 m/s and is fired at an angle of 35 degrees above the horizontal. how far from the foot of the vertical cliff does the projectile hit the water?
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