Worksheet: Evaluating Trigonometric Functions with a Calculator

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

Q1:

Find, to 4 decimal places, the value of tan3848′∘.

Q2:

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

Q3:

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

Q4:

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

Q5:

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

Q6:

Find, to 4 decimal places, the value of tan7328′12′′∘.

Q7:

Calculate cos7255′48′′∘ giving the answer to four decimal places.

Q8:

Calculate sin2743′12′′∘ giving the answer to four decimal places.

Q9:

Calculate sin8037′12′′∘ giving the answer to four decimal places.

Q10:

Use a calculator to find tan38.8∘ to four decimal places.

Q11:

Use a calculator to find tan77.8∘ to four decimal places.

Q12:

Use a calculator to find cos71.8∘ to four decimal places.

Q13:

Use a calculator to approximate, to five decimal places, the value of cot𝜃 when 𝜃=0.75 radians.

Q14:

Use a calculator to approximate, to five decimal places, the value of cos𝜃 when 𝜃=2.2radians.

Q15:

Use a calculator to approximate, to five decimal places, the value of csc𝜃 when 𝜃=6 radians.

Q16:

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

Q17:

Use a calculator to approximate, to five decimal places, the value of sec𝜃 when 𝜃=2.9 radians.

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