AQA · Mathematics · 8300
GCSE Maths: Trigonometry — SOHCAHTOA (video)
Right-angled triangle trigonometry — sine, cosine and tangent (SOHCAHTOA) — from Cognito. Each card deep-links to the video.
7 flashcards · Free to study · No account needed
Study this deck
Preparing your cards…
All questions and answers
Read through the full deck, or practise recalling each answer above.
What is the name of the longest side in a right-angled triangle?
Show answer
The hypotenuse. It is always opposite the right angle.
What does SOH in SOH CAH TOA stand for?
Show answer
Sin = Opposite / Hypotenuse
What does CAH in SOH CAH TOA stand for?
Show answer
Cos = Adjacent / Hypotenuse
What does TOA in SOH CAH TOA stand for?
Show answer
Tan = Opposite / Adjacent
How do you find an unknown angle x when you know tan x?
Show answer
Use the inverse tan function: x = tan⁻¹(value). On a calculator, press shift then tan.
In a right-angled triangle, which side is labeled 'opposite'?
Show answer
The side across from the angle of interest (not the right angle).
In a right-angled triangle, which side is labeled 'adjacent'?
Show answer
The side next to the angle of interest (not counting the hypotenuse).
Want to create your own cards? Create a free account. AI generation uses credits.