An introduction to trigonometry with an example please. Thanks in advance!
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Answers
hey
Trigonometry deals with only right angled triangles
☆ There are six trigonometric ratios
☆ Sin
☆ Cos
☆ Tan
☆ Cosec
☆ Sec
☆ Cot
=> Sin is Inverse to Cosec
=> Cos is Inverse to Sec
=> Tan is Inverse to Cot
☆ Sin = opposite / hypotenuse
☆ Cos = adjacent / hypotenuse
☆ Tan = opposite / adjacent
☆ Sec = hypotenuse / adjacent
☆ Cosec = hypotenuse / opposite
☆ Tan = adjacent / opposite
here @ is used which indicates angle
ex :- Sin@
Here u go this an example
☆ A right angled triangle ABC right angled at B and AB = 10cm and AC = 15cm Then find SinC
sol :-
Given
AB = 10cm
AC = 15cm
SinC = AB/AC
= 10/15
= 2/3
Answer:
There are three basic functions in trigonometry, each of which is one side of a right-angled triangle divided by another. You may find it helpful to remember Sine, Cosine and Tangent as SOH CAH TOA. Because of the relationships between them, Tan θ can also be calculated as: Sin θ / Cos θ.