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In this lesson, we will learn how to find trigonometric function values using 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.
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