1.

Sec ( x ) + 1 sec ( x ) − 1 = 1 + cos ( x ) 1 − cos ( x )

Answer»

Answer:

1+ SEC

Step-by-step EXPLANATION:

sec (×) + 1 sec (×) -1=1 + COS(×) 1- cos(×) 1-sec (×) 1 + sec



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