Trigonometric Identities Quiz

1. Simplify the expression: 5[sin²(x) + cos²(x)].












2. Simplify the expression: 7 + tan²(x).












3. Simplify the expression: sin²(x) - cos²(x).












4.Simplify the expression: tan(x) / csc(x).












5. Simplify the expression: sin(2x)cos(2x).












6. Simplify the expression: sin(x) / cos(x) + cos(x) / sin(x).












7. Simplify the expression: sin(2x)csc(x).












8. Simplify the expression: [1 + cos²(x)] / [1 - cos²(x)].












9. Simplify the expression: tan(x)sec(x)sin(2x)csc(x)cot(x).














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