4 06 05 06 06 HC Students were asked to prove the identity

Last updated: 9/1/2023

4 06 05 06 06 HC Students were asked to prove the identity cot x cos x csc x sinx Two students work is given Student A Step 1 Step 2 COS X sinx Step 3 cos x sinx COS X CSCX sinx Step 4 1 1 sin x sinx sinx CsCx sinx eex sinx sin x sinx Student B Step 5 csc x sinx cscx sinx Step 1 cotxcos X Step 2 cotx cosx W cscx sinx Step 4 cotx cos x sin sin Step 5 cotx cos x 1 sinx sinx sinx Step 3 cotxcos x 1 sin x sinx cos x sinx COSX sinx COSX Step 6 cotx cosx cot x cos x Part A Did either student verify the identity properly Explain why or why not 10 points Dart B Name two identities that were used in Student A s verification and the steps they appear in 5 points