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compound angles

Authored by RAYINA JAYAN

Mathematics

11th Grade

Used 90+ times

compound angles
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sin(A+B) is

SinACosB + cosAsinB

SinACosB - cosAsinB

sinAcosB

None

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

cos(A-B) is

cosAsinB + sinAcosB

cosA CosB + sinAsinB

cosA CosB - sinAsinB

None

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

cos2A is

cos2A +sin 2A\cos^2A\ +\sin\ ^2A

cos2Asin2A\cos^2A-\sin^2A

2sinAcosA

None

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

tan(A+B)

tanA+tanB1tanAtanB\frac{\tan A+\tan B}{1-\tan A\tan B}

tanA+tanB1+tanAtanB\frac{\tan A+\tan B}{1+\tan A\tan B}

tanAtanB + cotAcotB

None

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

cos3A is

3cosA4cos3A3\cos A-4\cos^3A

4cos3A 3cosA4\cos^3A\ -3\cos A

0

None

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If cosA =0 then cos2A is

-1

1

0

None

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

sin3A is

3sinAcosA

3sinA 4sin3A3\sin A\ -\ 4\sin^3A

4sin3A 3sinA4\sin^3A\ -\ 3\sin A

None

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