Answers for "sin(-15) degrees"

4

sin(30 degrees)

┌───┬────┬────┬────┐       45°
│deg|sin |cos |tan │       │'.            sin(45°) = 1/√2
├───┼────┼────┼────┤       │   '. √2               = 2/√2
│0  │0   │1   │0   │     1 │      '.      cos(45°) = 1/√2
│30 │1/2 │√3/2│√3/3│       ├──┐      '.            = 2/√2
│45 │2/√2│2/√2│1   │       └──┴────────'  tan(45°) = 1/1
│60 │√3/2│1/2 │√3  │             1    45°          = 1
│90 │1   │0   │////│ <-- Undefined
└───┴────┴────┴────┘
                           30°
 90-180°│  0-90°           │              sin(30°) = 1/2    sin(60°) = √3/2
  sin + │  all +           │ '  2         cos(30°) = √3/2   cos(60°) = 1/2
 ───────┼───────        √3 │   '          tan(30°) = 1/√3   tan(60°) = √3/1
  tan + │  cos +           ├─┐   '                 = √3/3            = √3
180-270°│270-360°          └─┴─────'60°
                               1

Good luck with your homework :)
Posted by: Guest on September-22-2021

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