Math, asked by belyjeyson, 11 months ago

Evalute Cos48° Cos42°- Sin 48°Sin42°

Answers

Answered by kingofclashofclans62

2

Step-by-step explanation:

It's an identity

Of Cos (A+B)

=cos(42+48)

=cos 90

=0

zero

Mark brainliest {Required}

$\huge\red{Thank\:You}$

Answered by dixitalkesh85

2

mark brainlist answer

this is correct answer

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