FA
Today, Saturday، 28 Jan 2023 - 10:09
Mokhafaf

Acronym References

What is SEC ?

Secante

Secant (Sec) the ratio of the size of the chord to the size of the adjacent side to the zav is discussed in the Triangle of the rule is required.

ك angle, alpha, equal to the inverse cosine of it. We're going to show you the silence.
SEC