Math, asked by duttapratik751, 11 months ago

Evaluate cos (-145 ) degree

Answers

Answered by SwaGduDe

1

HELLO!☺

Here is ur answer:-

cos (-145°)

=) -0.819152044

hope it helps u :)

Answered by pankaj85718

1

Answer:

-1/root2

Step-by-step explanation:

cos(-145) = cos(145)

cos(90+45)= -sin45 because in second quadrant cos is negative

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