Math, asked by avaninivas2002, 6 months ago

prove that(1+cos 2A)/(sin 2A)=cot A and duduce the value of cot 15°

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Answered by webby66

0

Answer:

Step-by-step explanation:

The mth term of an AP is 1/n and nth term is 1/m then show that sum of mn term is 1/2(mn +1)

no copied answer allowed

Answered by ks8146830

0

Answer:

to difficulties in this answer

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