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Solve the following 4 trig problems Math 175 5.4 Bookwork Version 2 Prove the following identities. 46. 2cos sin20 (5) 1 - cose 48. csc2

Solve the following 4 trig problems

Math 175 5.4 Bookwork Version 2 Prove the following identities. 46. 2cos sin20 (5) 1 - cose 48. csc2 2secA secA - 1 50. tan -= secB secB . CSCB + CSCB 56. 4sin*0 = 1 - 2cos(20) + cos2(20)

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