AQA · Mathematics · 8300

GCSE Maths: Trigonometry: Cosine graph

Geometry & Measures · AQA GCSE Maths (8300). Cards are generated from the Corbettmaths textbook exercise and practice questions for Trigonometry: Cosine graph (Corbettmaths Video 339), and every card links back to the exact page it came from. Practice tests generate fresh variations of these questions, so the numbers change every attempt. Source material © Corbettmaths — used with attribution.

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  1. What is the maximum value of cos(x)?

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    1

  2. What is the minimum value of cos(x)?

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    −1

  3. What is the range of possible values for cos(x)?

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    −1 ≤ cos(x) ≤ 1

  4. If sin x = − 0.5 has one solution at x = 210°, what is the other solution in the range 0° ≤ x ≤ 360°?

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    330°

  5. If cos x = 0.766 has one solution at x = 40°, what is the other solution in the range 0° ≤ x ≤ 360°?

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    320° (or 360° − 40°)

  6. For an acute angle x, is tan x positive, negative, or zero?

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    Positive (tan x > 0)

  7. For 270° < x < 360°, what are the signs of tan x and cos x?

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    tan x < 0 and cos x > 0

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