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11. sin2x=−21​ 15. tan2x=33​​ 19. sin3x=21​ tan3x​=1

Posted: Thu Jul 14, 2022 4:02 pm
by answerhappygod
11 Sin2x 21 15 Tan2x 33 19 Sin3x 21 Tan3x 1 1
11 Sin2x 21 15 Tan2x 33 19 Sin3x 21 Tan3x 1 1 (74.82 KiB) Viewed 31 times
11. sin2x=−21​ 15. tan2x=33​​ 19. sin3x=21​ tan3x​=1