Math, asked by swarnika42, 6 months ago

cotA+cotB+cotC = cotA.cotB.cotC

Answers

Answered by Sumit007YT

2

Answer:

A + B = 90 - C ----------- ⓘ

cot(A + B) = cot(90 - C)

cotA.cotB - 1/cotB + cotA = tanC

cotA.cotB - 1/cotB + cotA = 1/cotC

cotC[cotA.cotB - 1] = cotB + cotA

cotC.cotA.cotB - cotC = cotB + cotA

cotA.cotB.cotc = cotA + cotB + cotC(Proved)

Previous Question

Next Question

Similar questions

Math, 3 months ago

8 find the area of the given figure 5cm 11cm 14cm 2cm ismein Ek H wali figure Hai Vahi hai ...

English, 3 months ago

(ii) She has also been nominated as member of the Rajya Sabha. (Rewrite the sentence beginning with “The President ………”)...

India Languages, 3 months ago

कभी कभी दिमाग से कुछबाते निकलती ही नहीं है। क्या कर सकते है। निकाल भी दे तो फिरसे याद आ जाती हैं। पता नी life aisi kyo hai.. don't know...

Social Sciences, 6 months ago

potassium belongs to group...

Hindi, 6 months ago

Please give me answer of this question .

English, 11 months ago

what does OPAC stands for?

English, 11 months ago

6x+7/3x+2=4x+5/2x+3=...

Math, 11 months ago

19. वह लघुत्तम संख्या बतावें जिसमें 35 से भाग देने पर 25,25 से भाग देने पर 15 जबकि 15 से भाग देने पर 5 शेष बचता है ? (A) 515 (B) 525 (C) 535 (D) इनमें से कोई नहीं .. . ..