Flag Trigonometry> Prove that sin theta/1-cos theta +tan the...
question mark

Prove that sin theta/1-cos theta +tan theta /1+cos theta=sec theta*cosec theta +cot theta

Abrita , 8 Years ago
Grade 10
anser 1 Answers
Rohit kumar Gupta
proved tanθ1−cotθ+cotθ1−tanθ=1+tanθ+cotθExplanation:We have to prove, tanθ1−cotθ+cotθ1−tanθ=1+tanθ+cotθLet us take Left Hand Side (L.H.S.) ⇒tanθ1−cotθ+cotθ1−tanθ⇒sinθcosθ1−cosθsinθ+cosθsinθ1−sinθcosθ⇒sinθcosθsinθ−cosθsinθ+cosθsinθcosθ−sinθcosθ⇒sinθcosθ.sinθsinθ−cosθ+cosθsinθ.cosθ−(sinθ−cosθ)⇒sin2θcosθsinθ−cosθ−cos2θsinθsinθ−cosθ⇒sin2θcosθ−cos2θsinθsinθ−cosθ⇒sin3θ−cos3θsinθcosθsinθ−cosθ⇒(sinθ−cosθ)(sin2θ+sinθ.cosθ+cos2θ)sinθcosθ.1sinθ−cosθ⇒sin2θsinθcosθ+sinθ.cosθsinθ.cosθ+cos2θsinθ.cosθ⇒sinθcosθ+1+cosθsinθ⇒tanθ+1+cotθ = L. H. S.
Last Activity: 8 Years ago
star
LIVE ONLINE CLASSES

Prepraring for the competition made easy just by live online class.

tv

Full Live Access

material

Study Material

removal

Live Doubts Solving

assignment

Daily Class Assignments