Uploaded March 2019 | Updated September 2026, 2 weeks ago
Trigonometry class 10 important questions. If cosec theta - sin theta = l and sec theta - cos theta = m, then prove that l^2m^2(l^2+m^2+3)=1
For sin^6 theta + cos^6 theta = 1 - 3 sin^2 theta cos^2 theta : youtu.be/rZ6lH3YLnSM
#trigonometrybyavisir
some other trigonometry questions posted are as follows:
Question:
If sec theta+tan theta=p show that p^2-1/p^2+1=sin theta
youtu.be/nLdY0hXemuY
Question:
If sin theta + sin^2 theta = 1, show that cos^2 theta + cos^4 theta = 1
youtu.be/RFw6GPJFSfc
Question:
Prove that sin^6x+cos^6x=1-3 sin^2x cos^2x.
youtu.be/rZ6lH3YLnSM
Question:
If a cos theta + b sin theta = c, prove that a sin theta + b cos theta = ± √(a^2+b^2-c^2).
youtu.be/i41pYsD9tjs
Question:
If x sin^3 theta + y cos^3 theta = sin theta cos theta , prove that x^2+y^2=1
youtu.be/TIaqW3KN7Dw
Question:
prove that :
sin theta +cos theta /sin theta - cos theta +sin theta - cos theta /sin theta +cos theta=2 sec square theta /tan square theta -1
youtu.be/fCImXufL9Lg
Question:
If a+b=90 then prove that root tanAtanB+tanAcotB/sinAsecB-sin2B/cos2A=tanA
youtu.be/9Ixpj6ztSRM
Question:
If tan theta + sin theta = m and tan theta - sin theta = n , prove that m^2 - n^2 = 4 root mn
youtu.be/IysoLp2gy3k
Question:
If cosec theta - sin theta = l and sec theta - cos theta = m, then prove that l^2m^2(l^2+m^2+3)=1
youtu.be/VyP6DOuR7c4
Question:
If 7sin^2 theta+3cos^2 theta=4 show that tan theta= 1/√3
youtu.be/nW0q5kYLQHg
Question:
Prove that (1+sintheta-costheta/1+sintheta+costheta)^2=1-costheta/1+costheta
youtu.be/MFZnAlva98Y
Question:
prove that sin^2a/cos^2a+cos^2a/sin^2a=1/sin^2a cos^2a-2
youtu.be/7PhcWN_Mzzs
Question:
If √3 cot^2θ - 4cotθ+ √3 =0, then find the value of cot^2θ + tan^2θ
youtu.be/qXCZ-DotlJ0
Question:
prove that (1+1/tan2a)(1+1/cot2a)=1/sin2a-sin4a
youtu.be/Hxx8bRPEPEE
Question:
Prove that Sin theta / cot theta + cosec theta = 2 + sin theta / cot theta - cosec theta
youtu.be/BTfSFmPK9K0
Question:
If Tn = sin^n x + cos^n x, then prove that T3 T5 T1 = T5 T7 T3
youtu.be/5jLj2Lqmsug
Question:
Trigonometry class 10 important questions. If cosec theta - sin theta = l and sec theta - cos theta = m, then prove that l^2m^2(l^2+m^2+3)=1
For sin^6 theta + cos^6 theta = 1 - 3 sin^2 theta cos^2 theta : youtu.be/rZ6lH3YLnSM
#trigonometrybyavisir
some other trigonometry questions posted are as follows:
Question:
If sec theta+tan theta=p show that p^2-1/p^2+1=sin theta
youtu.be/nLdY0hXemuY
Question:
If sin theta + sin^2 theta = 1, show that cos^2 theta + cos^4 theta = 1
youtu.be/RFw6GPJFSfc
Question:
Prove that sin^6x+cos^6x=1-3 sin^2x cos^2x.
youtu.be/rZ6lH3YLnSM
Question:
If a cos theta + b sin theta = c, prove that a sin theta + b cos theta = ± √(a^2+b^2-c^2).
youtu.be/i41pYsD9tjs
Question:
If x sin^3 theta + y cos^3 theta = sin theta cos theta , prove that x^2+y^2=1
youtu.be/TIaqW3KN7Dw
Question:
prove that :
sin theta +cos theta /sin theta - cos theta +sin theta - cos theta /sin theta +cos theta=2 sec square theta /tan square theta -1
youtu.be/fCImXufL9Lg
Question:
If a+b=90 then prove that root tanAtanB+tanAcotB/sinAsecB-sin2B/cos2A=tanA
youtu.be/9Ixpj6ztSRM
Question:
If tan theta + sin theta = m and tan theta - sin theta = n , prove that m^2 - n^2 = 4 root mn
youtu.be/IysoLp2gy3k
Question:
If cosec theta - sin theta = l and sec theta - cos theta = m, then prove that l^2m^2(l^2+m^2+3)=1
youtu.be/VyP6DOuR7c4
Question:
If 7sin^2 theta+3cos^2 theta=4 show that tan theta= 1/√3
youtu.be/nW0q5kYLQHg
Question:
Prove that (1+sintheta-costheta/1+sintheta+costheta)^2=1-costheta/1+costheta
youtu.be/MFZnAlva98Y
Question:
prove that sin^2a/cos^2a+cos^2a/sin^2a=1/sin^2a cos^2a-2
youtu.be/7PhcWN_Mzzs
Question:
If √3 cot^2θ - 4cotθ+ √3 =0, then find the value of cot^2θ + tan^2θ
youtu.be/qXCZ-DotlJ0
Question:
prove that (1+1/tan2a)(1+1/cot2a)=1/sin2a-sin4a
youtu.be/Hxx8bRPEPEE
Question:
Prove that Sin theta / cot theta + cosec theta = 2 + sin theta / cot theta - cosec theta
youtu.be/BTfSFmPK9K0
Question:
If Tn = sin^n x + cos^n x, then prove that T3 T5 T1 = T5 T7 T3
youtu.be/5jLj2Lqmsug
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