GB-33-09-001 · Exact trigonometric values
Find the exact value of .
Exact TRIG Values
Booklet p. 35
Method
1) Recall exact values from table/hand method: sin(30°) = 1/2, cos(60°) = 1/2
2) Substitute and simplify
Worked Example (GB-33-09-001)
1)
Both sine 30° and cosine 60° equal ½.
2)
Ans =