Question

The exact value of sec - pi is ?

Answer 1

\[\sec (-\pi)=\sec(\pi)\]

Answer 2

can u tell me the value now ??? or should i help further

Answer 3

both are same point

Answer 4

@mashlyashela

Answer 5

=1/cos(pi)

Answer 6

At pi (-pi), the hypotenuse becomes equal in magnitude to the adjacent , as the opposite sides shrinks to zero.
The adjacent sides is negative here (quadrants II, III)
but the hypotenuse is always positive