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Is Sec The Inverse Of Cos

No, sec is not the inverse of cos. The trigonometric function, secant is the reciprocal of the cosine function. The inverse of the cos function... View Article

Is Dot Product A Scalar

Yes, the dot product is a scalar. Sometimes, the dot product is also called the scalar product. It is because, if the dot product of two vectors... View Article

What Does R Mean In Math

In maths, the letter R denotes the set of all real numbers. That means, R = {-⅔, 8, 0, ¼, - 5, -100, 234,.......} Real numbers are the numbers... View Article

What Is A Cotangent

In a right triangle, cotangent of an angle is equal to the ratio of the side adjacent to the angle and the side opposite to that angle. Cotangent... View Article