A principal solution of the equation tanx + cotx = 2cosecx is ?
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Answer:
2cosx
Step-by-step explanation:
tanx+cotx=2cosecx
=>sinx/cosx+cosx/ sinx= 2 *1/sinx
=>(sin^2 +cos^2)/cosx.sinx=2*1/sinx
=>1/cosx=2
=>2cosx
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