Trigonometriai képletek
Authored by Erika Durugy
Mathematics
9th Grade
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sinp+sinq=
2•sin(p+q)/2•cos(p-q)/2
2•sin(p-q)/2•cos(p+q)/2
2•sin(p+q)/2•sin(p-q)/2
2•cos(p+q)/2•cos(p-q)/2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sinp-sinq=
2•cos(p+q)/2•sin(p-q)/2
2•sin(p+q)/2•cos(p-q)/2
2•sin(p+q)/2•sin(p-q)/2
2•cos(p+q)/2•cos(p-q)/2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cosp+cosq=
2•cos(p+q)/2•cos(p-q)/2
2•sin(p+q)/2•cos(p-q)/2
2•cos(p+q)/2•sin(p-q)/2
- 2•cos(p+q)/2•cos(p-q)/2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cos2x=
1+2sin2x
2cos2x-1
2cos2x+1
cos2x+sin2x
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sin4x=
2•sin2x•cos2x
2•sinx•cosx
2•sin8x•cos8x
4•sinx
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sin20°•cos10°+cos20°•sin10°=
1/2
1
-1
0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cos(π-x)=
cosx
-cosx
sinx
-sinx
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