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گیارہویں جماعت · ریاضی · 5 سوالات

نام: ____________________ تاریخ: ____________

180 degrees is equal to how many radians?
- A 2 pi
- B 1
- C pi / 2
- D pi
sin(90 degrees) equals:
- A 0
- B -1
- C 1
- D 1/2
The length of an arc of radius 5 cm subtending an angle of 2 radians is:
- A 10 cm
- B 2.5 cm
- C 25 cm
- D 7 cm
tan x is equal to:
- A sin x / cos x
- B cos x / sin x
- C sin x cos x
- D 1 / sin x
sin(2x) is equal to:
- A sin2 x
- B cos2 x - sin2 x
- C 2 sin x cos x
- D 2 sin x

جوابی کلید

1. D, 2. C, 3. A, 4. A, 5. C