10. Match each trigonometric expression with its equivalent expression. - x) a. sin b. cos(-x) c. cos(x + 5) d. tan(x + e. 1 tan(-x) 15. cos(x) 16. sin(x) 17. - sin(x) 18. - cot (x) 19. cot (x)

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Q: đ = , 5 = , č = , d = Find |5||

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Q: 19.6) =0 (m +4.9) (m²-9.8+19.6)=o

A: Answer