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Worksheet: Circular Function Approximation

Q1:

Use a calculator to approximate, to five decimal places, the value of c o t πœƒ when πœƒ = 0 . 7 5 radians.

Q2:

Use a calculator to approximate, to five decimal places, the value of c o s πœƒ when πœƒ = 2 . 2 r a d i a n s .

Q3:

Use a calculator to approximate, to five decimal places, the value of c s c πœƒ when πœƒ = 6 radians.

Q4:

Use a calculator to find s i n 6 . 4 ∘ to four decimal places.

Q5:

Use a calculator to approximate, to five decimal places, the value of s e c πœƒ when πœƒ = 2 . 9 radians.