cotA =
Trigonometric formulae

Quiz
•
Mathematics
•
11th Grade
•
Hard
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17 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
tan(90+A)
cot(-A)
tan(180+A)
2.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
cos2A=
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
tan(A+B)=
tanA+tanB/1-tanAtanB
tanA-tanB/1+tanAtanB
tanA+tanB/1-tanA
2tanA/1-tan²A
4.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
-2sinAsinB
5.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
sinAcosB+cosAsinA+sinAcosB-cosAsinB=
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
sinA-sinB=
2sin(A+B/2)*cos(A-B)
2cos(A+B/2)*sin(A-B)
sinAcosB - cosAsinB
sinAcosB + cosAsinB
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
tan(A+B) + tan(A-B)=
tanA+tanB/1-tanAtanB
tanA+tanB/1-tanA
2tanA/1-tan²A
3tanA-tan³A/1-3tan²A
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