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cosine

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/ˈkoʊ.saɪn/ · co-sine

A trigonometric function that relates the angle of a right triangle to the lengths of the adjacent side and hypotenuse.

Meanings

nounformal

A trigonometric function that relates the angle of a right triangle to the lengths of the adjacent side and hypotenuse.

ایک ٹریگنومیٹرک فنکشن جو ایک قائم مثلث کے زاویے کو ہمسایہ جانب اور ہائپوٹینوز کی لمبائی سے جوڑتا ہے۔

کوسائن

cosine

Synonyms

trigonometric functionfunctionmathematical functionٹریگنومیٹرک فنکشنفنکشنریاضیاتی فنکشن

Common Collocations

  • cosine wave
  • cosine rule
  • inverse cosine

Example Sentences

The cosine of a 60-degree angle is 0.5.

60 ڈگری زاویے کا کوسائن 0.5 ہے۔

60 degree zawe ki cosine 0.5 hai.

We use the cosine function to calculate the adjacent side of the triangle.

ہم مثلث کی ہمسایہ جانب کی لمبائی جانچنے کے لیے کوسائن فنکشن کا استعمال کرتے ہیں۔

Hum musallas ki humsaya jaanb ki lambai jaanchnay ke liye cosine function ka istemal karte hain.

The cosine rule helps in finding unknown sides of a triangle.

کوسائن قاعدہ مثلث کی نامعلوم جانبوں کو تلاش کرنے میں مدد دیتا ہے۔

Cosine qaidah musallas ki naamaloom jaanb ko talash karne mein madad deta hai.

Easily Confused With

sine:Sine refers to the opposite side divided by the hypotenuse, whereas cosine refers to the adjacent side divided by the hypotenuse.

💡 Memory Tip

Think of 'cosine' as relating to the 'cos' in 'cosmetic', both concern angles in different contexts.

Visualize a right triangle with a clear label indicating the adjacent side and hypotenuse.

📖 Etymology

Origin: Latin "cosinus" — sine of the complementary angle

First known use: 17th century

The term 'cosine' was coined in the 17th century, developed from the word 'sine' which has its roots in Latin and Greek.