In this video I will cover how to evaluate the six trigonometric functions given a right triangle. We will find the missing ...
Use Pythagoras’ theorem to show a triangle is right-angled or to find one side of a right-angled triangle when two sides are known. Make sure you are confident at substituting into and manipulating ...
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Tutorial - Given the cosine of an angle determine the double angle for sine, cosine and tangent
Learn how to evaluate the double angle of sine. The value of the sine of double a given angle can be obtained given the value of the sine of the angle. The value of the sine of double a given angle is ...
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