Question

what is sin and cos​

Answer 1

HERE IS YOUR ANSWER

Sine, Cosine and Tangent are the main functions used in Trigonometry and are based on a Right-Angled Triangle. Before getting stuck into the functions, it helps to give a name to each side of a right triangle: "Opposite" is opposite to the angle θ "Adjacent" is adjacent (next to) to the angle θ.

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Answer 2

Answer:

Sin and cos are used in mathematics I. E in chapter trigonometry.... It is mainly based on right angled triangle...

Sin angle =opposite/hypotenuse

Cos angle =adjacent /hypotenuse

Sin^2tita+cos^2tita=1

Hope it is useful for you mate!!!