In this worksheet, we will practice finding trigonometric function values using a calculator.
Q1:
Use a calculator to find sin6.4∘ to four decimal places.
Q2:
Use a calculator to find tan62.5∘ to four decimal places.
Q3:
Use a calculator to find cos56.3∘ to four decimal places.
Q4:
Calculate sin5538′24′′∘ giving the answer to four decimal places.
Q5:
Calculate cos8036′36′′∘ giving the answer to four decimal places.
Q6:
Calculate tan3848′∘, giving your answer to four decimal places.
Q7:
Determine whether the following statement is true or false:
coscos25<10∘∘.
Q8:
Calculate sincos(1835′)(1835′)∘∘, giving your answer to two decimal places.
Q9:
Calculate sincos(1835′)+(1835′)∘∘, giving your answer to two decimal places.
Q10:
Calculate sincossin(31)+(25)(33)∘∘∘, giving your answer to two decimal places.
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