Math, asked by jeniangel2233, 11 months ago

Prove that (cot a-cos a)/(cot a+cos a)=(coseca-1)/(coseca+1)

Answers

Answered by sandy1816

1

Step-by-step explanation:

cota-cosa/cota+cosa

=cosa-cosasina/cosa+sinacosa

=1-sina/1+sina

=coseca-1/coseca+1

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