Simplify by expressing the following trigonometric expressions in terms of sine and cosine functions. 1. csc e 6. sin 0 + tan 0 7. cot 0 + tan 0 8. cot 0 9. cot 0 sin 0 2. cos 0 +tan 0 3. sec 6 4. tan 0 5. sec 0 10. csc 0 + sec 0

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