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F.4 Ch.8 三角學(一)

Authored by 67 YI

Mathematics

10th Grade

F.4 Ch.8 三角學(一)
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30 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

sin (180o + x)

sin x

-sin x

cos x

-cos x

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

cos (90o - x)

sin x

-sin x

cos x

-cos x

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

sin(270o + x)

sin x

-sin x

cos x

-cos x

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

tan(270o - x)

tan x

-tan x

1 / tan x

-1 / tan x

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

tan(180o - x)

tan x

-tan x

1 / tan x

-1 / tan x

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

以下哪一個三角比與其他三個的值是不同的?

sin(180o - x)

cos(90o - x)

sin(360o - x)

cos(270o + x)

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

以下哪個/哪些三角比等於tan x? (可選多於一個答案)

sin x / cos x

tan(180o + x)

tan(360o - x)

tan(270o - x)

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