# Khan/khan-exercises

### Subversion checkout URL

You can clone with HTTPS or Subversion.

Older
100644 59 lines (50 sloc) 2.16 kb
 acc0089 Trig identity exercise igorT authored Jul 21, 2011 1 2 3 72418b8 Add meta charset to all HTML pages. jeresig authored Jul 28, 2011 4 07d95d3 Rename EVERYTHING; closes #323. spicyj authored Jul 22, 2011 5 Trig identities 1 acc0089 Trig identity exercise igorT authored Jul 22, 2011 6 7 8 9
10
11 trigTypes[randRange(0,trigTypes.length-1)] 12 13 trigTypes[randRange(0,trigTypes.length-1)] 14 END_TYPE.name 15 START_TYPE.name 16 function(){ 17 if ( START_TYPE.name === "tan" ){ 18 return randFromArray([0,30,45,60]); 19 } 20 else if ( START_TYPE.name === "sec" ){ 21 return randFromArray([0,30,45,60]); 22 } 23 else if (START_TYPE.name === "csc" ){ 24 return randFromArray([30,45,60,90]); 25 } 26 else{ 27 return randFromArray([0,30,45,60,90]); 28 }}() 29 30 31 START_TYPE.print( ANGLE ) 32 END_TYPE.print( ANGLE ) 33 findSteps(START_TYPE , END_TYPE, ANGLE) 34 35 randFromArray([0,30,45,60,90]) 36 randFromArray([0,30,45,60,90]) 37 ["","","","","","","","","","","",""] 38 39
40 41
42
43

Given that x is in first quadrant and \FUN_NAME x is FUN_VALUE what is \END_NAME x ?

44 45 46

SOLUTION

47
48
• trigTypes[randRange(0,trigTypes.length-1)].print( randFromArray([0,30,45,60,90]) )
• 49
50
51
52 53
54

value

55
56
57 58
Something went wrong with that request. Please try again.