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Suppose that tanα=−43​ and 2π​<α<π. Find the exact values of cos2α​ and tan2α​.

Posted: Thu Jul 14, 2022 3:58 pm
by answerhappygod
 1
1 (43.16 KiB) Viewed 35 times
Suppose that tanα=−43​ and 2π​<α<π. Find the exact values of cos2α​ and tan2α​.