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Right-angle triangles, sine and cosine

Instructions: answer the questions, check them carefully, and when you are sure they are all right, press submit. The number of correct answers will be displayed.

Question 1: What is the length x? Mathematics question





Question 2: What is the angle θ? Mathematics question






Question 3: What is θ? Mathematics question





Question 4: What is the area of this triangle? Mathematics question




Question 5: How high is the box base from the floor at the highest point, if the angle of the side of the box to the wall is 35°?? Mathematics question




Question 6: What is ${cosθ}/{sinθ}$?




Question 7: What is true about this situation? Trigonometry question




Question 8: What is true about this situation? Trigonometry question




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