explain trigonometric ratios with thier formulas
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Answer:
Trigonometric Ratios are defined as the values of all the trigonometric functions based on the value of the ratio of sides in a right-angled triangle. The ratios of sides of a right-angled triangle with respect to any of its acute angles are known as the trigonometric ratios of that particular angle.31-Jan-2020
Tan θ: Opposite Side/Adjacent Side & Sin θ/Cos θ
Sec θ: Hypotenuse/Adjacent Side & 1/cos θ
Cosec θ: Hypotenuse/Opposite Side & 1/sin θ
Inverse Trigonometry Formulas
sin-1 (–x) = – sin-1 x.
cos-1 (–x) = π – cos-1 x.
tan-1 (–x) = – tan-1 x.
cosec-1 (–x) = – cosec-1 x.
sec-1 (–x) = π – sec-1 x.
cot-1 (–x) = π – cot-1 x.
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