Hint | Answer | % Correct |
---|---|---|
sin²x+cos²x | 1 | 100%
|
secx | 1/cosx | 100%
|
cosecx | 1/sinx | 100%
|
cotx | cosx/sinx | 81%
|
tanx | sinx/cosx | 81%
|
sin(2x) | 2sinxcosx | 46%
|
cos(A+B) | cos(A)cos(B)-sin(A)sin(B) | 23%
|
sin(A+B) | sin(A)cos(B)+sin(B)cos(A) | 23%
|
cos(2x) | 1-2sin²x | 12%
|
cos(2x) | 2cos²x-1 | 12%
|
cos(2x) | cos²x-sin²x | 12%
|
cosec²x | 1+cot²x | 8%
|
sec²x | 1+tan²x | 8%
|
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