Certificate in Trigonometry Test 05 (CTT05)
Certificate in Trigonometry Test 05 (CTT05)
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Question 1 of 10
1. Question
3 point(s)Tan A = 4/5, in triple form, would be:
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Question 2 of 10
2. Question
3 point(s)If cos A = ½ then A =
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Question 3 of 10
3. Question
3 point(s)If cos A = -1/2 then A =
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Question 4 of 10
4. Question
4 point(s)If sinA = 4/5 and tanB = 5/12 then cos(A+B) equals:
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Question 5 of 10
5. Question
5 point(s)Find triple solutions to the equation tan2A = 1/4
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Question 6 of 10
6. Question
5 point(s)Find triple solutions to the equation 3sin2A – 2sinA = 0
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Question 7 of 10
7. Question
5 point(s)Solutions to the equation cos2A = ¾ in the range 0 to 360 degrees are:
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Question 8 of 10
8. Question
5 point(s)Solutions to the equation cos2A = ¾ in the range 0 to 360 degrees are:
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Question 9 of 10
9. Question
4 point(s)The identity cos2A = (cosA + sinA)(cosA – sinA) can be proved by showing each side is equal to:
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Question 10 of 10
10. Question
6 point(s)Solutions to 6cosA + 5sinA = 5 are:
