1.

If sinA+1-cosA whole by cosA-1+sinA then show that it is equal to 1+sinA whole by cosA

Answer»

Step-by-step EXPLANATION:

DIVIDING each TERM by COS

= tan+SEC-1/tan - sec +1

=tan + sec-(sec^2-tan^2)/tan-sec+1

=tan+sec{1-sec+tan}/tan_sec+1

=tan+sec

=sin/cos+1/cos

1+sin/cos



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