trigonometric ratios
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2
sin=opposite/hypotenuse
cos=adjacent/hypotenuse
tan=opposite/adjacent
cot=adjacent/opposite
cosec=hypotenuse/opposite
sec=hypotenuse/adjacent
cos=adjacent/hypotenuse
tan=opposite/adjacent
cot=adjacent/opposite
cosec=hypotenuse/opposite
sec=hypotenuse/adjacent
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1
if A is the given angle in a right angled triangle ABC, then:
sinA = perpendicular/hypotenuse
cosA= base/hypotenuse
tanA= perpendicular/ base
cotA =base/perpendicular
secA=hypotenuse/ base
cosecA= hypotenuse/ perpendicular
sinA = perpendicular/hypotenuse
cosA= base/hypotenuse
tanA= perpendicular/ base
cotA =base/perpendicular
secA=hypotenuse/ base
cosecA= hypotenuse/ perpendicular
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