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how to get trigonometric ratios. Mark the known sides as adjacent opposite or hypotenuse with respective to anyone of the acute angles in the triangle. Sine sin cosine cos tangent tan cosecant csc secant sec and cotangent cot.
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The trig part of trigonometry literally means triangle. This is also the relationship between all the other cofunctions in trigonometry. Steps to follow if two sides are known.
Given a right triangle you can find the sine or cosine or tangent of either of the non- 90.
First see the trigo ratio table then you will find that the ratios of sin30 cos60 are the same. Trigonometry is the study of the relationships within a triangle. Steps to follow if two sides are known. Use the trigonometric ratios to calculate accurate values for the angles 30 and 60.
