Trigonometr
Grad 12 Note
Compound angle formula
● If two angles are added or subtracted they are called compound angles
Sometimes you will need to reduce angles when the instruction is, Prove:
● 15 = 45 - 30
● 15 = 60 -45
● 75 = 30 + 45
Those on the LHS are compound angles
Side note :
Grad 12 Note
Compound angle formula
● If two angles are added or subtracted they are called compound angles
Sometimes you will need to reduce angles when the instruction is, Prove:
● 15 = 45 - 30
● 15 = 60 -45
● 75 = 30 + 45
Those on the LHS are compound angles
Side note :
