Math, asked by ravisurtane3, 6 months ago

13. सिद्ध कीजिये कि sin(x+y)
sin(x-y)
tan x+tany)
tan x-tany)​

Answers

Answered by nisha02345
2

Answer:

फलन. प्रांत. परिसर (मुख्य मान शाखा) y = sin-'x ... tan-'x + tan-'y = tan-' 1- xy : xy < 1 ... उदाहरण 8 सिद्ध कीजिए कि tan(cot-1x) = cot (tan-1x). ... 1+ tan x 1+tan y = 1+. 1.

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