Math, asked by writetochinchu, 1 year ago

√c = y, AC= 12cm , AB = 4cm ( right angle triangle AC is hypotenuse)
Find:
tan^2 y - 1/cos^2y

Answers

Answered by AsrafulHKR
1

Answer:

=sin^2y/cos^2y-1/cos^2y

=(sin^2y -1)/cos^2y

=-1 (cos^2y)/cos^2y

=-1

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