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ExactTrigonometricValues
Video341onwww.corbettmaths.com
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Examples
Workout
Question1: Writedowntheexactvaluesofeachofthefollowing
(a)sin30° (b)cos0°
(c)tan45° (d)sin90° (e)sin0°
(f)cos60° (g)tan0°
(h)sin45° (i)cos30°
(j)tan60°
(k)cos90° (l)sin60°
(m)cos45° (n)tan30°
Question2: Writedowntheexactvaluesofeachofthefollowing
(a)cos60°+sin30°
(b)cos0°+tan45°+sin90°
(c)sin30°+sin90°
(d)sin45°+cos45°
Question3: Writedowntheexactvaluesofeachofthefollowing
(a)sin45°+cos45°
(b)tan30°+tan60°
(c)cos30°+sin60°
Question4: Writedownthevaluesofeachofthefollowing
(a) sin180°
(b)cos270° (c)tan360° (d)sin360°
(e)sin270°
(f)cos180° (g)cos360° (h)cos450°
(i)sin720°
(j)sin900° (k)cos990° (l)sin1710°
Question5: Writedowntheexactvaluesofeachofthefollowing
(a)sin120°
(b)cos150° (c)tan135° (d)cos210°
(e)tan120° (f)sin240° (g)sin225° (h)cos315°
(i)sin150° (j)tan405° (k)sin495° (l)cos870°
© CORBETTMATHS 2016
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ExactTrigonometricValues
Video341onwww.corbettmaths.com
Apply
Question1: Usingthetrianglebelow,explaineachofthefollowing.
(a)
(b)
(c)
(d)
(e)
(f)
Question2: Usingthetrianglebelow,explaineachofthefollowing.
(a)
(b)
(c)
Question3: Conorsaysthat
Ishecorrect?
Question4: Findthesizeoftheanglelabeledx.
Question5: Findtheexactlengthofthesidelabelledw.
Answers
© CORBETTMATHS 2016