Title: InkMaths / Exact trig values
On every note of this deck, unless a note says otherwise:
Footer: Continue on InkMaths · © 2026 InkMaths. All rights reserved.

Front: STANDARD RESULT — LEARN IT
Degrees to radians:
60° = ? rad\(60° = ? \text{ rad}\)60° = ? rad
Back: 60° = π3\(60° = \frac{π}{3}\)60° = π/3

Front: STANDARD RESULT — LEARN IT
Exact value:
cos 60° = ?\(\cos 60° = ?\)cos 60° = ?
Back: cos 60° = 12\(\cos 60° = \frac{1}{2}\)cos 60° = 1/2

Front: STANDARD RESULT — LEARN IT
Degrees to radians:
30° = ? rad\(30° = ? \text{ rad}\)30° = ? rad
Back: 30° = π6\(30° = \frac{π}{6}\)30° = π/6

Front: STANDARD RESULT — LEARN IT
Exact value:
sin 30° = ?\(\sin 30° = ?\)sin 30° = ?
Back: sin 30° = 12\(\sin 30° = \frac{1}{2}\)sin 30° = 1/2

Front: STANDARD RESULT — LEARN IT
Degrees to radians:
90° = ? rad\(90° = ? \text{ rad}\)90° = ? rad
Back: 90° = π2\(90° = \frac{π}{2}\)90° = π/2

Front: STANDARD RESULT — LEARN IT
Exact value:
cos 45° = ?\(\cos 45° = ?\)cos 45° = ?
Back: cos 45° = 1√2 = √22\(\cos 45° = \frac{1}{\sqrt{2}} = \frac{\sqrt{2}}{2}\)cos 45° = 1/√(2) = √(2)/2

Front: STANDARD RESULT — LEARN IT
Exact value:
tan 30° = ?\(\tan 30° = ?\)tan 30° = ?
Back: tan 30° = 1√3 = √33\(\tan 30° = \frac{1}{\sqrt{3}} = \frac{\sqrt{3}}{3}\)tan 30° = 1/√(3) = √(3)/3

Front: STANDARD RESULT — LEARN IT
Exact value:
tan 60° = ?\(\tan 60° = ?\)tan 60° = ?
Back: tan 60° = √3\(\tan 60° = \sqrt{3}\)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° = ?\(\sin 45° = ?\)sin 45° = ?
Back: sin 45° = 1√2 = √22\(\sin 45° = \frac{1}{\sqrt{2}} = \frac{\sqrt{2}}{2}\)sin 45° = 1/√(2) = √(2)/2

Front: STANDARD RESULT — LEARN IT
Exact value:
sin 60° = ?\(\sin 60° = ?\)sin 60° = ?
Back: sin 60° = √32\(\sin 60° = \frac{\sqrt{3}}{2}\)sin 60° = √(3)/2

Front: STANDARD RESULT — LEARN IT
Degrees to radians:
45° = ? rad\(45° = ? \text{ rad}\)45° = ? rad
Back: 45° = π4\(45° = \frac{π}{4}\)45° = π/4

Front: STANDARD RESULT — LEARN IT
Exact value:
cos 30° = ?\(\cos 30° = ?\)cos 30° = ?
Back: cos 30° = √32\(\cos 30° = \frac{\sqrt{3}}{2}\)cos 30° = √(3)/2

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