Printable · GCSE Foundation · ages 14-16
Exact trigonometric values worksheet — GCSE Foundation
Fifteen questions on "exact trigonometric values" — DfE statement G21. Print it, or print three versions so neighbours cannot copy by letter; the key gives the letter for each version.
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Exact trigonometric values worksheet — GCSE Foundation
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- 1.Write down the exact value of tan 45°.
- 2.Put sin 30°, tan 30° and cos 30° in order of size, starting with the smallest.
- 3.Work out the exact value of (sin 30°)² + (cos 30°)².
- 4.Work out the exact value of sin 30° + cos 60°.
- 5.A kite string makes an angle of 30° with the ground. The kite is flying at a height of 6 m directly above a point on the ground. Using the exact value of sin 30°, work out the exact length of the kite string.
- 6.Write down the exact value of tan 60°.
- 7.Work out the exact value of cos 0° − sin 30°.
- 8.A tent's sloping side makes an angle of 45° with the ground. The sloping side is 3√2 m long. Using the exact value of sin 45°, work out the exact height of the tent.
- 9.In triangle ABC, angle ABC = 90° and angle BAC = 30°. The hypotenuse AC = 12 cm. Work out the exact length of AB.
- 10.Here are four trigonometric ratios of special angles. Write down the one that does not have a value.
- 11.Three of these are rational numbers and one is irrational. Write down the one that is irrational.
- 12.Write down the exact value of sin 60°.
- 13.Write down the exact value of tan 0°.
- 14.Write down the exact value of sin 45°.
- 15.Write down the exact value of sin 0°.
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