2021年1月19日 · 三角函数0°至360°正切值对照表。 如果觉得内容对您有帮助，希望您能赞助一下！

Use our tan (x) calculator to find the tangent of 42 degrees - tan (42 °) - or the tangent of any angle in degrees and in radians.

1 天前 · 正切(tan)函数是一种三角函数，它在直角三角形中定义为对边与邻边的比值。具体来说，在直角三角形RtABC中，如果∠C=90度，AB是∠C的对边c，BC是∠A的对边a，AC是∠B的对边b，那么正切函数tanB=b/a，即tanB=AC/BC。

Tan 42 degrees is the value of tangent trigonometric function for an angle equal to 42 degrees. The value of tan 42° is 0.9004 (approx). What is the Exact Value of tan 42 Degrees? The exact value of tan 42 degrees can be given accurately up to 8 decimal places as 0.90040404. How to Find Tan 42° in Terms of Other Trigonometric Functions?

Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.

免费的在线切线计算器。tan（x）计算器。

For the tangent of 42 degrees we use the abbreviation tan for the trigonometric function together with the degree symbol °, and write it as tan 42°. If you have been looking for what is tan 42°, or if you have been wondering about tan 42 degrees in radians, then you are right here, too.

免费的数学问题解答者采用逐步解题讲解方式回答您的代数、几何、三角集合学、微积分以及统计学家庭作业问题，就像一位数学辅导老师那样为您提供帮助。

Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. For math, science, nutrition, history, geography, engineering, mathematics, linguistics, sports, finance, music…

Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals. For math, science, nutrition, history, geography, engineering, mathematics, linguistics, sports, finance, music…