IB MAI HL Number and Algebra Topic 1.1 Number Skills (id: bdca6431f)

本题目来源于试卷: IB MAI HL Number and Algebra Topic 1.1 Number Skills，类别为 IB数学

[填空题]
Let F=$\frac{(4sin2z-1)(2tan3z+1)}{x^2-y^2}$,where x=12, y=8 and z=15°.

1.Calculate the exact value of F.
F=  .
2.Give your answer to F correct to

2.1.two significant figures;The number=  .

2.2.two decimal places.The number=  .

Sasha estimates the value of F to be 0.03.

3.Calculate the percentage error in Sasha's estimate.the percentage=  %.

参考答案:
空格1: 0.0375  空格2: 0.038  空格3: 0.04  空格4: 20 


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