Math, asked by dev248, 1 year ago

cos(-x) and sec(-x) . find .

Answers

Answered by anuradharathore12

1

COS(-X)=COS X
SEC(-X)=SEC X
COS X * SEC X = 1

iqbalhussain2: correct

Answered by iqbalhussain2

0

cos-x==cosx ,sec-x=secx

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