- Calc help please: limit of (x+sinx)/x as x approaches 0?

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Differentiate(t) = (cos^3 t+ 3cost +7)^9? What is the purpose of blanching foods? A reaction produced 52.1 g of kcl how much o2 was produced in grams? I'm trying to find a compound that contains an alkaline earth metal and a polytomic ion and then finding its molar mass.? If 5sinθ = 3 determine the value of:
1. cos (θ-360)
2. Tan (squared)θ
3. Sin θ x cos θ (all divided by cos (squared θ)?