Recent questions tagged trigonometric ratios of acute angles

+2 votes

1 answer

Prove that √((secθ-1)/(secθ+1))+√((secθ+1)/(secθ-1))=2cosecθ

asked Apr 6, 2019 in Class 10 by kratos

+3 votes

1 answer

If 2 sec 2α = tanβ + cotβ then one of the values of (α+β) =

asked Apr 1, 2019 in JEE by kratos

+3 votes

1 answer

cos 2θ cos 2φ + sin^2 (θ – φ) – sin^2 (θ + φ) is equal to

asked Feb 21, 2019 in Class 11 by kratos

+2 votes

1 answer

The maximum value of 3cosθ + 5sin(θ - π/6) for any real value of is:

asked Feb 15, 2019 in Class 10 by kratos

+1 vote

1 answer

Prove that : (cosec θ - sin θ) (sec θ - cos θ) ( tan θ + cot θ) = 1

asked Feb 8, 2019 in Class 10 by kratos

+2 votes

1 answer

Prove that: -1 + sin A sin ( 90° - A)/ cot ( 90° - A) = - sin^2 A

asked Jan 31, 2019 in Class 11 by kratos

+3 votes

1 answer

Prove that sinθ/(1-cotθ) + cosθ/(1-tanθ) = cosθ +sinθ

asked Jan 29, 2019 in Class 10 by kratos

+2 votes

1 answer

Prove that sec^6θ=tan^6θ+3tan^2θsec^2θ+1

asked Jan 16, 2019 in Class 10 by kratos

+2 votes

1 answer

If x = cos^2θ and y = cot θ then find dy/dx at θ = ≠/4 .

asked Jan 15, 2019 in Class 10 by kratos

+2 votes

1 answer

If sin θ + cos θ = √2, then evaluate : tan θ + cot θ.

asked Jan 10, 2019 in Class 11 by kratos

+3 votes

1 answer

1/(1+sinθ) + 1/(1-sinθ) = 2sec^2θ

asked Jan 6, 2019 in Class 10 by kratos

+1 vote

1 answer

If sinθ +cosθ=√3, then prove that tanθ+cotθ=1.

asked Dec 14, 2018 in Class 10 by kratos

+1 vote

1 answer

Prove that (tanA + secA – 1)/(tanA - secA +1) = (1 + sinA)/cosA

asked Dec 6, 2018 in Class 10 by kratos

+2 votes

1 answer

Prove that (1+secθ)/secθ=sin^2θ/(1-cosθ)

asked Dec 5, 2018 in Class 10 by kratos

+3 votes

1 answer

How to prove sec^4A-sec^2A=tan^4A+tan^2A

asked Dec 3, 2018 in Class 11 by kratos

+3 votes

1 answer

Statement - 1 : If z + 1/z = 2cosθ, then |z^2n - 1/z^2n + 1| = |tanθ

asked Dec 2, 2018 in Class 10 by kratos

+1 vote

1 answer

If sinθ = cosθ, then find the value of 2tanθ + cos^2 θ.

asked Oct 31, 2018 in Class 10 by kratos

+1 vote

1 answer

If sinθ = cosθ, then find the value of 2tanθ + cos^2θ

asked Oct 25, 2018 in Class 10 by kratos

+3 votes

1 answer

If 5 cotθ = 3, show that the value of (5sinθ - 3cosθ/4sinθ + 3cosθ) is 16/29

asked Oct 23, 2018 in JEE by kratos

+1 vote

1 answer

If cosec θ – sin θ = l and sec θ – cos θ = m, prove that l^2 m^2 (l^2 + m^2 + 3) = 1.

asked Oct 11, 2018 in Class 11 by kratos

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