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Adv Ankur
A PHP Error was encountered
Severity: Notice
Message: Undefined index: userid
Filename: views/question.php
Line Number: 195
Backtrace:
File: /home/u125378470/domains/lawhelpguru.org/public_html/application/views/question.php
Line: 195
Function: _error_handler
File: /home/u125378470/domains/lawhelpguru.org/public_html/application/controllers/Questions.php
Line: 416
Function: view
File: /home/u125378470/domains/lawhelpguru.org/public_html/index.php
Line: 315
Function: require_once
Adv Ankur
Punditsdkoslkdosdkoskdo
Prove the trigonometric identity: sec^4θ - sec^2θ = tan^4θ + tan^2θ.
PROVE THAT