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Worksheet: Evaluating Trigonometric Functions with a Calculator

Q1:

Find, to 4 decimal places, the value of t a n 3 8 4 8 .

Q2:

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

Q3:

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

Q4:

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

Q5:

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

Q6:

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

Q7:

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

Q8:

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

Q9:

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

Q10:

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

Q11:

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

Q12:

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