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.Work out the exact value of tan 30° + tan 30°.
- 2.A pop-up canopy has two sloping supports that meet at the top. Each support makes an angle of 30° with the ground and is 6 m long. Using the exact value of cos 30°, work out the total width of the canopy's base.
- 3.A zip-wire is fixed at an angle of 60° to the horizontal ground. The zip-wire is 12 m long. Using the exact value of cos 60°, work out the exact horizontal distance it covers.
- 4.Three of these are rational numbers and one is irrational. Write down the one that is irrational.
- 5.Write down the exact value of tan 60°.
- 6.Work out the exact value of cos 0° − sin 30°.
- 7.Write down the exact value of sin 45°.
- 8.Write down the exact value of tan 45°.
- 9.Here are four trigonometric ratios of special angles. Write down the one that does not have a value.
- 10.Work out the exact value of (sin 30°)² + (cos 30°)².
- 11.Write down the exact value of cos 60°.
- 12.Work out the exact value of (cos 45°)² + (sin 45°)².
- 13.Each of these has an exact value. Write down the one whose value is the greatest.
- 14.Write down the exact value of cos 45°.
- 15.Write down the exact value of cos 30°.
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