Question #2733e

1 Answer
Sean
Dec 30, 2017

Please see below.

Explanation:

.

#(sect+tant)/(csct+1)=(1/cost+sint/cost)/(1/sint+1)=((1+sint)/cost)/((1+sint)/sint)=(sint(1+sint))/(cost(1+sint))=#

#(sint(cancelcolor(red)(1+sint)))/(cost(cancelcolor(red)(1+sint)))=sint/cost=tant#

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