Q. 195.0( 1 Vote )


Prove the following identity: .

Answer :


Consider the left hand side:

(Using 1 + tan 2 θ = sec 2 θ and sin 2 θ + cos 2 θ = 1 in second step and tan θ = 1/cot θ and sec θ = 1/cos θ in last step).

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Trigonometric IdentitiesTrigonometric IdentitiesTrigonometric Identities44 mins
Champ Quiz | Trigger on TrigonometryChamp Quiz | Trigger on TrigonometryChamp Quiz | Trigger on Trigonometry47 mins
Basics of TrigonometryBasics of TrigonometryBasics of TrigonometryFREE Class
NCERT |  Imp. Qs. Discussion - TrigonometryNCERT |  Imp. Qs. Discussion - TrigonometryNCERT | Imp. Qs. Discussion - Trigonometry44 mins
Smart Revision | Trigonometric RatiosSmart Revision | Trigonometric RatiosSmart Revision | Trigonometric Ratios41 mins
Champ Quiz | Trigonometry Important QuestionsChamp Quiz | Trigonometry Important QuestionsChamp Quiz | Trigonometry Important Questions33 mins
Solving NCERT Questions on Trigonometric IdentitiesSolving NCERT Questions on Trigonometric IdentitiesSolving NCERT Questions on Trigonometric Identities56 mins
NCERT I Trigonometric RatiosNCERT I Trigonometric RatiosNCERT I Trigonometric Ratios50 mins
Smart Revision | Revise Trigo Like an ExpertSmart Revision | Revise Trigo Like an ExpertSmart Revision | Revise Trigo Like an Expert51 mins
NCERT | Imp. Qs. on TrigonometryNCERT | Imp. Qs. on TrigonometryNCERT | Imp. Qs. on Trigonometry42 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses