What are sin and cos ??
Dear student
As we know that in right-angled triangle one of the angles is 90o. The hypotenuse of a right angled triangle is the longest side, which is the one opposite the right angle. The adjacent side is the side which is between the angle in figure and the right angle. The opposite side is opposite to the angle in figure below-
As we know that in right-angled triangle one of the angles is 90o. The hypotenuse of a right angled triangle is the longest side, which is the one opposite the right angle. The adjacent side is the side which is between the angle in figure and the right angle. The opposite side is opposite to the angle in figure below-
In any right angled triangle, for any angle -
The sine of the angle = the length of the opposite side
the length of the hypotenuse
and cosine of the angle = the length of the adjacent side
the length of the hypotenuse
and tangent of the angle = the length of the opposite side
the length of the adjacent side
These are defined as above equations.
Hope this information will clear your doubts about topic.
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If you have any more doubts just ask here on the forum and our experts will try to help you out as soon as possible.
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