Refer to the definitions of the trigonometric functions in Eqs. (4.1). Is the quotient of one of the functions divided by cos equal to tan?

Refer to the definitions of the trigonometric functions in Eqs. (4.1). Is the quotient of one of the functions divided by cosθ equal to tanθ? Explain

Data from Eqs.(4.1)

Six trigonometric functions are defined as follows:

sine of 0 cosine of 0 sin = cos = tangent of tan0 = y r y X cosecant of secant of csc 0 sece = cotangent of cot y X y