由sec=1/cos， csc=1/sin。 将sin的0°、30°、45°、60°、90°、120°、135°、150°、180°的值和cos的0°、30°、45°、60°、90°、120°、135°、150°、180°的值分别带入即可求出具体值。

The exact value of sec(45) sec (45) is 2 √2 2 2. Multiply 2 √2 2 2 by √2 √2 2 2. Combine and simplify the denominator. Tap for more steps... Cancel the common factor of 2 2. Tap for more …

Sec 45 degrees is the value of secant trigonometric function for an angle equal to 45 degrees. Understand methods to find the value of sec 45 degrees with examples and FAQs.

2007年4月14日 · sec为1/cos 所以sec0度＝1，sec30度＝3分之2倍根号3，sec45度＝根号2，sec90度＝不存在

根据同角之间 三角函数关系 及特殊角的 三角函数值，secA等于cosA分之一，由特殊角的三角函数值可知：45度的 余弦 值等于2分之根号2，45度的正切值等于1，可以得到：sec45度等 …

Learn exact value of sec 45 degrees in fraction and decimal forms with geometrical proof to learn how to find secant of pi divided by 4 radians or 50 gradians.

2017年2月26日 · To obtain 45 degrees in radian multiply 45° by π / 180° = 1/4 π. Sec 45degrees = sec (1/4 × π). Our results of sec45° have been rounded to five decimal places. If you want …

Calculate sec (45) sec is found using Hypotenuse/Adjacent Determine quadrant: Since 0 ≤ 45 ≤ 90 degrees it is in Quadrant I sin, cos and tan are positive. Determine angle type: 45 < 90°, so …

The secant of 45 degrees value is derived theoretically in geometry by the direct relation between lengths of opposite and adjacent sides when angle of right triangle is 45 °.

sec(x) periodicity table with 360∘n cycle: x030∘45∘60∘90∘120∘135∘150∘sec(x)132322Undefined−2−2−323x180∘210∘225∘240∘270∘300∘315∘330∘sec(x)−1−323−2−2Undefined22323