Question: I need help on all these problems 4-140. Verify that - I+tan 2 x 1+cot2 x = 1 by simplifying the left side and using

I need help on all these problems

4-140. Verify that - I+tan 2 x 1+cot2 x = 1 by simplifying the left side and using the Pythagorean identities. 4-141. Find the length of h in terms of x. 4-142. Find reasonable equations for each graph below. b. a. N -2nT - JU -2JC WNL 4-143. Sean just got a toy rocket that flies at a rate of v = 30t feet per second. The rocket is designed to fly straight up for ten seconds and then release a parachute and float back down. At what height will the parachute be deployed

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