Lesson Worksheet: Evaluating Trigonometric Functions Using a Calculator Mathematics

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In this worksheet, we will practice finding trigonometric function values using a calculator.

Q1:

Use a calculator to find sin6.4∘ to four decimal places.

Q2:

Use a calculator to find tan62.5∘ to four decimal places.

Q3:

Use a calculator to find cos56.3∘ to four decimal places.

Q4:

Calculate sin5538′24′′∘ giving the answer to four decimal places.

Q5:

Calculate cos8036′36′′∘ giving the answer to four decimal places.

Q6:

Calculate tan3848′∘, giving your answer to four decimal places.

Q7:

Determine whether the following statement is true or false:

coscos25<10∘∘.

  • ATrue
  • BFalse

Q8:

Calculate sincos(1835′)(1835′)∘∘, giving your answer to two decimal places.

Q9:

Calculate sincos(1835′)+(1835′)∘∘, giving your answer to two decimal places.

Q10:

Calculate sincossin(31)+(25)(33)∘∘∘, giving your answer to two decimal places.

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