• Shuffle
Toggle On
Toggle Off
• Alphabetize
Toggle On
Toggle Off
• Front First
Toggle On
Toggle Off
• Both Sides
Toggle On
Toggle Off
Toggle On
Toggle Off
Front

### How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

Play button

Play button

Progress

1/15

Click to flip

### 15 Cards in this Set

• Front
• Back
 Sin of Angles: 0, 30, 45, 60, 90 √0/2, √1/2, √2/2, √3/2, √4/2 Cosine of Angles: 0, 30, 45, 60, 90 √4/2, √3/2, √2/2, √1/2, √0/2 Tangent of Angles: 0, 30, 45, 60, 90 0, √3/3, 1, √3, ∞ Sin(a+b)= ? sin(a)•cos(b)+cos(a)•sin(b) Cos(a+b)= ? cos(a)•cos(b)-sin(a)•sin(b) Tan(a+b)= ? tan(a)+tan(b)/1-tan(a)•tan(b) Sin(a-b)= ? sin(a)•cos(b)-cos(a)•sin(b) Cos(a-b)= ? cos(a)•cos(b)+sin(a)•sin(b) Tan(a-b)= ? tan(a)+tan(b)/1-tan(a)•tan(b) Sin(2a) 2sin(a)•cos(a) Cos(2a) cos²(a)-sin²(a) Tan(2a) 2tan(a)/1-tan²(a) Sin(3a) 3cos²(a)•sin(a)-sin³(a) Cos(3a) cos³(a)-3sin²(a)•cos(a) Sin(a/2) ±√1-cos(a)/2