Công thức toán

Công thức toán

11th Grade

36 Qs

quiz-placeholder

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Công thức toán

Công thức toán

Assessment

Quiz

Mathematics

11th Grade

Practice Problem

Easy

Created by

Phan Nguyen

Used 6+ times

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36 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

cos(a-b) = ?

cosa.cosb+sina.sinb

cosa.cosb-sina.sinb

sina.cosb-cosa.sinb

sina.cosb+cosa.sinb

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

cos(a + b)=?

cosa.cosb-sina.sinb

cosa.cosb+sina.sinb

sina.cosb+sinb.cosa

sina.cosb-sinb.cosa

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

sin(a-b)=?

sina.cosb - cosa.sinb

cos(a - b)

cos(a)cos(b) + sin(a)sin(b)

sin(a) + sin(b)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

tan(a+b)=?

tan(a) - tan(b)
tan(a + b)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

tan(a-b)=?

tan(a - b)
tan(a)tan(b)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

sin2a=?

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

cos2a=?

sin²(a) + cos²(a)

3cos²(a) - 2c

1 - 2sin²a

cos²a - sin²a

2cos²a-1

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