Prove that- tan^-1(1/2tan 2A)+tan^-1(cotA)+tan^-1(cot^3A) ={0,ifpi/4

Prove that-tan^-1(1/2tan 2A)+tan^-1(cotA)+tan^-1(cot^3A) ={0,ifpi/4<A<pi/2 {pi,0<A<pi/4 Where 2 small curly brackets are 1 big
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2. asked by Ash
3. 4,851 views
Prove that (cos2A)÷ ( 1+sin2A) = (cotA -1) ÷ (cotA +1)
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2. asked by Ismail Abdullah
3. 2,299 views
prove that the following are identity1. (cotA+cosecA-1)/(cotA-cosecA+1)=cosecA+cotA 2. (sinA-cosA+1)/(sinA+cosA-1)=
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2. asked by Anonymous
3. 605 views
ProveSinA/1-CosA = CosecA + CotA
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2. asked by kumar
3. 2,556 views
Prove that[1+cotA-CosecA] [1+tanA+secA] = 2
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2. asked by kumar
3. 1,708 views
Prove sqrt(Sec^2 A+Cosec^2 A)=TanA+CotA
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2. asked by Vijaya
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Prove: TanA+2Tan2A+4Tan4A+8Cot8A=CotA
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2. asked by Rabinprakash
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Prove: TanA+2Tan2A+4Tan4A+8Cot8A=CotA
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2. asked by Rabinprakash
3. 563 views
Prove: tanA+2tan2A+4tan4A+8cot8A=cotA
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2. asked by kishor
3. 658 views
Prove that. (1+sec2A) (1+sec4A) (1+sec8A)=Tan8A×CotA
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2. asked by Bimal
3. 1,075 views