Math, asked by rudeadhawak, 7 months ago

sec2 45 - cot2 135 =

Answers

Answered by nareshvbd1234

1

Answer:

sec 2 45- cot 2 135

sec 90 - tan 2 45 ( cot 2 135 = tan 2 180-135 = tan 2 45)

sec 90 - tan 90

not define - not define

zero

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