Question: Suppose that sin(a) = 4/9 and cos(b) = 1/6 define in the first quadrant, determine cos(a-b). (round to 4 decimal places) Your Answer: Answer

Suppose that sin(a) = 4/9 and cos(b) = 1/6 define in the

Suppose that sin(a) = 4/9 and cos(b) = 1/6 define in the first quadrant, determine cos(a-b). (round to 4 decimal places) Your Answer: Answer Question 2 (2 points) Suppose that sin(a) = 1/8 and cos(b) =2/8 define in the first quadrant, determine cos(a+b). (round to 4 decimal places) Your Answer: Answer Question 3 (2 points) Suppose that sin(a) = 3/7 and cos(b) =3/9 define in the first quadrant, determine sin(a-b). (round to 4 decimal places)

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