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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 t a n 3 8 4 8 ′ ∘ .

Q2:

Calculate c o s 8 0 3 6 ′ 3 6 ′ ′ ∘ giving the answer to four decimal places.

Q3:

Calculate s i n 5 5 3 8 ′ 2 4 ′ ′ ∘ giving the answer to four decimal places.

Q4:

Use a calculator to find c o s 5 6 . 3 ∘ to four decimal places.

Q5:

Use a calculator to find t a n 6 2 . 5 ∘ to four decimal places.

Q6:

Find, to 4 decimal places, the value of t a n 7 3 2 8 ′ 1 2 ′ ′ ∘ .

Q7:

Calculate c o s 7 2 5 5 ′ 4 8 ′ ′ ∘ giving the answer to four decimal places.

Q8:

Calculate s i n 7 5 4 ′ 1 2 ′ ′ ∘ giving the answer to four decimal places.

Q9:

Calculate s i n 2 7 4 3 ′ 1 2 ′ ′ ∘ giving the answer to four decimal places.

Q10:

Use a calculator to find t a n 6 7 . 4 ∘ to four decimal places.

Q11:

Use a calculator to find t a n 3 8 . 8 ∘ to four decimal places.

Q12:

Use a calculator to find c o s 7 1 . 8 ∘ to four decimal places.

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