“Trigonometry Values Pi/6”的概念、定义、习题解题方法及翻译-数学辞典

单词

Trigonometry Values Pi/6

释义

Trigonometry Values Pi/6

Given a Right Triangle with angles defined to be and , it must be true that

(1)

. Define the hypotenuse to have length

and the side opposite

to have length

, then theside opposite

has length

. This gives

and

(2)

But

(3)

so we have

(4)

This gives

, or

(5)

is then computed from

(6)

Summarizing,

See also Hexagon, Hexagram

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