Math, asked by kunalgavit15, 3 months ago

cosA.cosB-sinA.sinB= ?

Answers

Answered by GK0786

0

Answer:

Sol. cos(A+B)

Because, Cos(A+B)= cosA.cosB - sinA.sinB

Answered by kvnmurty

0

Answer:

Cos (A+B)

Step-by-step explanation:

This is a trigonometric identity or property.

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