Q1:
|
sin2 A + cos2 A = x
What is x?
|
A.0 B. A C.1 D. 2A |
Answer 1:
|
|
Q2:
|
Which is the best type of triangle is useful for finding the trigonometric ratios for 45°? |
A. equilateral B. right-angled C. isosceles D. right-angled isosceles |
Answer 2:
|
|
Q3:
|
True or false?
sin x + cos x = 1
|
A. True B. False |
Answer 3:
|
|
Q4:
|
cos 51° = sin B°
What is the value of B?
|
A. 51 B. 39 C. 129 D. 25.5 |
Answer 4:
|
|
Q5:
|
tan C = 1
What is C?
|
A. 0 B. 30 C. 45 D. 60 |
Answer 5:
|
|
Q6:
|
sin2 51 + cos2 A = 1
What is A?
|
A. 51 B. 39 C. 129 D. 25.5 |
Answer 6:
|
|
Q7:
|
Which is the best type of triangle is useful for finding the trigonometric ratios for 60°? |
A. equilateral B. scalene C. isosceles D. right-angled isosceles |
Answer 7:
|
|
Q8:
|
True or false?
sin (A + B) = sin A + sin B
|
A. True B. False |
Answer 8:
|
|
Q9:
|
cos2 D = 1 - sin2 32
What is D?
|
A. 32 B. 64 C. 58 D. 148 |
Answer 9:
|
|
Q10:
|
True or false?
cos45 = sin 45 (don't use a calculator!)
|
A. True B. False |
Answer 10:
|
|