#excellentideasineducation #education #maths #cbseboard #math #cbsemaths #boardexam #trigonometry #class10maths #cbse #mathematics #cbseclass10 #class10 #previousyearquestions If cos theta+sin theta=root2 cos theta, show that cos theta-sin theta=root2 sin theta / If cos theta + sin theta = √2cos theta, show that cos theta - sin theta = √2sin theta /Trigonometry If sec theta + tan theta = p then find the value of cosec theta / Trigonometry Class 10 Maths • If sec theta + tan theta = p then find the... Prove that sin theta / cot theta + cosec theta = 2+sin theta / cot theta - cosec theta / Trigonometry Class 10 / sin theta by cot theta + cosec theta = 2+sin theta by cot theta - cosec theta / Trigonometry Identities • Prove that sin theta/cot theta + cosec the... Prove that (1+cot theta-cosec theta) (1+tan theta +sec theta) / Prove that (sin^3 theta+cos^3 theta)/(sin theta+cos theta )+sin theta cos theta =1 / Prove that (sin^3θ+cos^3θ)/(sinθ+cosθ)+sinθ cosθ =1 / Trigonometry Class 10 Maths • Prove that (1+cot theta - cosec theta) (1+... Prove that cot theta - tan theta = (2cos^2 theta - 1) / sin theta cos theta / Prove that (cosec theta - sin theta) (sec theta - cos theta) (tan theta + cot theta) = 1 • Prove that cot theta - tan theta = (2cos^2... Prove that sin theta(1+tan theta)+cos theta(1+cot theta)=sec theta+cosec theta / Trigonometry Class 10 • Prove that sin theta(1+tan theta)+cos thet... Prove that: (tan^2A) / (tan^2A-1) + cosec^2A / (sec^2A-cosec^2A)=1 / (1-2cos^2A) / Trigonometry Class 10 • Prove tan^2A/tan^2A-1 + cosec^2A/sec^2A-co... Prove that sin theta/1-cos theta + tan theta/1+cos theta = sec theta cosec theta + cot theta / Trigonometry Identities / Trigonometry Class 10 • Prove that sin theta(1+tan theta)+cos thet... If tan A = n tan B, Sin A = m Sin B then prove that Cos^2 A = (m^2-1/(n^2-1) / Trigonometry Identities Class 10 • If tan A = ntan B, Sin A = mSin B then pro... Prove that sinA - 2sin^3A/2cos^3A - cosA=tanA / (1+1/tan^2A)(1+1/cot^2A) = 1/sin^2A-sin^4A • Prove that sinA - 2sin^3A/2cos^3A - cosA=t... Evaluate: tan^2 60 - 2 cos^2 60 - 3/4 sin^2 45 - 4 sin^2 30 / Introduction to Trigonometry • Evaluate: tan^2 60 - 2 cos^2 60 - 3/4 sin^... Prove that (tan^3 theta)/(1 + tan^2 theta) + (cot^3 theta)/(1 + cot^2 theta) / Trigonometry Identity • Prove that tan^3 theta / 1 + tan^2 theta +... Prove (sinA+cosecA)^2 + (cosA+cosecA)^2 = (1+secAcosecA)^2 / Trigonometry / Important Question CBSE • Prove (sinA+cosecA)^2 + (cosA+cosecA)^2 = ... In triangle PQR, right angled at Q if PR=41 units and PQ-QR =31 / Trigonometry • In triangle PQR, right angled at Q if PR=4... If x=ptanθ + qsecθ and y=psecθ + qtanθ then prove that x²-y²=q²-p² / Trigonometry Identities • If x=ptanθ + qsecθ and y=psecθ + qtanθ the... secθ - tanθ = p then find the value of sinθ / Important Board Questions / Trigonometric Identities • If sec theta - tan theta = p then find the... Trigonometric Formulas / Trigonometric Identities / Trigonometry Formula Tricks / Trigonometry • Trigonometry Formulas / Trigonometric Iden... Introduction to Trigonometry Class 10 / Trigonometric Ratios / Trigonometry Formula and Table Tricks • Introduction to Trigonometry / Trigonometr... 2 sin 2θ = √3 then the value of θ / Trigonometry Identities • 2 sin 2θ = √3 then the value of θ is #shor... tanθ + cotθ = 5 then (tan^2θ + cot^2θ) / Trigonometry Class 10 • #shortsviral #shorts #youtubeshorts #trigo... sinθ - cosθ=0 then the value of sin^4θ+cos^4θ is • sinθ - cosθ=0 then the value of sin^4θ+cos... If tan A = n tan B, Sin A = m Sin B then prove that Cos^2 A = (m^2-1/(n^2-1) / Trigonometry Identities Class 10 Prove that sinA - 2sin^3A/2cos^3A - cosA=tanA / (1+1/tan^2A)(1+1/cot^2A) = 1/sin^2A-sin^4A • Prove that sinA - 2sin^3A/2cos^3A - cosA=t... Evaluate: tan^2 60 - 2 cos^2 60 - 3/4 sin^2 45 - 4 sin^2 30 / Introduction to Trigonometry • Evaluate: tan^2 60 - 2 cos^2 60 - 3/4 sin^... Prove that (tan^3 theta)/(1 + tan^2 theta) + (cot^3 theta)/(1 + cot^2 theta) / Trigonometry Identity • Prove that tan^3 theta / 1 + tan^2 theta +... Prove (sinA+cosecA)^2 + (cosA+cosecA)^2 = (1+secAcosecA)^2 / Trigonometry / Important Question CBSE • Prove (sinA+cosecA)^2 + (cosA+cosecA)^2 = ... In triangle PQR, right angled at Q if PR=41 units and PQ-QR =31 / Trigonometry • In triangle PQR, right angled at Q if PR=4... If x=ptanθ + qsecθ and y=psecθ + qtanθ then prove that x²-y²=q²-p² / Trigonometry Identities • If x=ptanθ + qsecθ and y=psecθ + qtanθ the... secθ - tanθ = p then find the value of sinθ / Important Board Questions / Trigonometric Identities • If sec theta - tan theta = p then find the... Trigonometric Formulas / Trigonometric Identities / Trigonometry Formula Tricks / Trigonometry • Trigonometry Formulas / Trigonometric Iden... Introduction to Trigonometry Class 10 / Trigonometric Ratios / Trigonometry Formula and Table Tricks • Introduction to Trigonometry / Trigonometr... 2 sin 2θ = √3 then the value of θ / Trigonometry Identities • 2 sin 2θ = √3 then the value of θ is #shor... tanθ + cotθ = 5 then (tan^2θ + cot^2θ) / Trigonometry Class 10 • #shortsviral #shorts #youtubeshorts #trigo...