Question

Simplify : (1+tan^2x)(1-sinx)(1+sinx)

Answer 1

Solution→

(1+ tan²x ) ( 1-sinX)(1+sinX)

→ sec²X × (1-sin²X)

→ sec²X × cos²X

→ 1

Answer 2

See The Above attachment.❤☺

$\huge\underline\mathcal\red{♡ThaÑks♡}$