Question: Multiply. 21. (sin +4)(sin 0 + 3) 23. (2 cos 0+3)(4 cos 0 - 5) 25. (1 - sin 0)(1 + sin 0) 27.

Multiply. 21. (sin +4)(sin 0 + 3) 23. (2 cos 0+3)(4 cos 0 - 5) 25. (1 - sin 0)(1 + sin 0) 27. (1 tan 6)(1 + tan 6) 29. (sin cos 0)2 22. (cos +2)(cos 0-5) 24. (3 sin 0-2)(5 sin 0-4) 26. (1 - cos 0)(1 + cos 0) 28. (1 cot 0)(1 + cot 6) 30. (cos + sin 0)

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