trigo

trigo

trigo


J. E.
Flashcards
18
Students
1
Language
French
Category
Maths
Level
University
Created / Updated
10.09.2014 / 10.09.2014

Flashcards

cos(A + B) = ?

cos(A).cos(B) - sin(A).sin(B)

cos(A - B) = ?

cos(A).cos(B) + sin(A).sin(B)

sin(A + B) = ?

sin(A).cos(B) + sin(B).cos(A)

sin(A - B) = ?

sin(A).cos(B) - sin(B).cos(A)

tan(A + B) = ?

.

tan(A - B) = ?

.

sin(2.a) = ?

2.sin(a).cos(a)

cos(2.a) = ?

= cos²(a) - sin²(a)

= 2.cos²(a) - 1

= 1 - 2.sin²(a)

tan(2.q) =

.

cos(p) + cos(q) = ?

.

cos(p) - cos(q) = ?

.

sin(p) + sin(q)

.

sin(p) - sin(q)

.

cos(a).cos(b) = ?

.

sin(a).sin(b) = ?

.

sin(a).cos(b) = ?

.

cos²(a) = ?

.

sin²(a) = ?

.

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