formule trig ix A
Authored by Dana Șopț
Mathematics
9th Grade
Used 5+ times
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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1-sin2a
sin 2a
cos2a
cos 2a
sin2a
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cos2a-1
sin2a
cos 2a
-sin2a
-cos 2a
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2cos2a-1
cos 2a
-cos 2a
-sin2a
sin2a
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sin22a
2 sin a cos a
4 sin a cos a
4 sin2 a cos2 a
2sin2 a cos2 a
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1+cos 2a
2 sin2a
sin 2a
cos2a
2cos2a
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sin(a+b)
sin a cos b-sin b cos a
cos a cos b-sin a sin b
sin a cos b+sin b cos a
cos a cos b+sin a sin b
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cos(a-b)
sin a cos b-sin b cos a
cos a cos b-sin a sin b
sin a cos b+sin b cos a
cos a cos b+sin a sin b
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