Test 5

• Trigonometry ratios


  • Opposite
  • Adjacent
  • Tangent (tan)
  • Sine (sin)
  • Cosine (cos)
• Sine (sin)


  sin = opposite / hypotenuse
• Cosine (cos)


  cos = adjacent / hypotenuse
• SOH CAH TOA
• Sin H, Cos H, Tan A
• Daisy D


  16/4/24
• Similar Shapes


  • Easier to find CD
• Finding CD


  CD = (12/4) * 7 = 21
• TEST 1, TEST 2, TEST
• D + 7 = 28
• 4x, 3x+2
• Solving for x


  1. -3x = -32

  2. x = 21

  3. CD = 21
• a = 4
• Solving for p


  1. 2p + 6 = 12

  2. p = 2
• Gradient


  m in the equation y = mx + c
• 1. intercept


  c in the equation y = mx + c
• Angle of depression, Angle of elevation
• Bad Cuboid, Good Cuboid
• Right angle 45°
• Drawing a triangle


  Label adjacent, opposite and hypotenuse
• Longest side is the hypotenuse