Title: InkMaths / Exact trig values
On every note of this deck, unless a note says otherwise:
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Front: STANDARD RESULT — LEARN IT
Degrees to radians:
60° = ? rad
Back: 60° = π3

Front: STANDARD RESULT — LEARN IT
Exact value:
cos 60° = ?
Back: cos 60° = 12

Front: STANDARD RESULT — LEARN IT
Degrees to radians:
30° = ? rad
Back: 30° = π6

Front: STANDARD RESULT — LEARN IT
Exact value:
sin 30° = ?
Back: sin 30° = 12

Front: STANDARD RESULT — LEARN IT
Degrees to radians:
90° = ? rad
Back: 90° = π2

Front: STANDARD RESULT — LEARN IT
Exact value:
cos 45° = ?
Back: cos 45° = 1√2

Front: STANDARD RESULT — LEARN IT
Exact value:
tan 30° = ?
Back: tan 30° = 1√3

Front: STANDARD RESULT — LEARN IT
Exact value:
tan 60° = ?
Back: tan 60° = √3

Front: CHECK YOURSELF
Without a calculator, state the exact value of cos 30° × tan 60°.
Back: cos 30° = √3/2 and tan 60° = √3, so the product is 3/2.

Front: STANDARD RESULT — LEARN IT
Exact value:
sin 45° = ?
Back: sin 45° = 1√2

Front: STANDARD RESULT — LEARN IT
Exact value:
sin 60° = ?
Back: sin 60° = √32

Front: STANDARD RESULT — LEARN IT
Degrees to radians:
45° = ? rad
Back: 45° = π4

Front: STANDARD RESULT — LEARN IT
Exact value:
cos 30° = ?
Back: cos 30° = √32

Front: STANDARD RESULT — LEARN IT
Exact value:
tan 45° = ?
Back: tan 45° = 1