Prove if it is True or False. Show your solutions.

d sin (x = Vx cos (x) + da (sinx va 2vx O True O False (7) Prove if it is True or False. Show your solutions. * d 3 sin 8 103 T COS = COS + da O True O False{El} F'ro'u'e if it is True or False. Show your solutions. '* {9} F'ro'u'e if it is True or False. Show your solutions. '* d s . 2 _ E E (In (a: 3m 37)) a: +2 cots: 0 True 0 False {1D} Prove if it is True or False. Show your solution s. 7' d 1 + sins 1 in 2 do: were oosm 0 True 2 points 2 points 2 points