Maths

Consider triangle acb, right angled at c in which ab =29 units ,bc=21 units and angle abc =theta. determine the values of i)cos Sq. theta + sin Sq. theta, ii)cos sq theta -sin sq. theta bc=21 units and angle abc =theta. determine the values of i)cos Sq. theta + sin Sq. theta Consider triangle acb [...]

If angle b and angle q are acute angles such that sin b = sin q . Then prove that angle b = angle q . If angle b and angle q are acute angles such that sin b = sin q . Then prove that angle b = angle q . October 5, 2020 [...]

Given tan A = 4\3, find the other trigonometric ratio of the angle A. find the other trigonometric ratio of the angle A. Given tan A = 4\3 October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 ,

Prove the following identities, where the angles involved are acute angles for which the expressions are defined. (x) (1+tan^2 A/1+cot^2 A) = (1-tan A/1-cot A)^2 = tan^2A Prove the following identities where the angles involved are acute angles for which the expressions are defined. (x) (1+tan^2 A/1+cot^2 A) = (1-tan A/1-cot A)^2 = tan^2A October [...]

Prove the following identities, where the angles involved are acute angles for which the expressions are defined. (viii) (sin A + cosec A)^2 + (cos A + sec A)^2 = 7+tan^2A + cot^2A Prove the following identities where the angles involved are acute angles for which the expressions are defined. (viii) (sin A + cosec [...]

Prove the following identities, where the angles involved are acute angles for which the expressions are defined. (vii) (sin θ – 2sin^3θ)/(2cos^3θ-cos θ) = tan θ Prove the following identities where the angles involved are acute angles for which the expressions are defined. (vii) (sin θ - 2sin^3θ)/(2cos^3θ-cos θ) = tan θ October 5, 2020 [...]

Prove the following identities, where the angles involved are acute angles for which the expressions are defined. (vi) root 1−sinA/1+sinA = sec A + tan A Prove the following identities where the angles involved are acute angles for which the expressions are defined. (vi) root 1−sinA/1+sinA = sec A + tan A October 5, 2020 [...]

Prove the following identities, where the angles involved are acute angles for which the expressions are defined. (v) cosA+sinA-1/cosA−sinA+1 = cosec A + cot A, Using the identity cosec^2 A=1 + cot^2 A Prove the following identities Using the identity cosec^2 A=1 + cot^2 A where the angles involved are acute angles for which the [...]

Prove the following identities, where the angles involved are acute angles for which the expressions are defined. (ix) (cosec A – sin A)(sec A – cos A) = 1/(tan A + cot A) Prove the following identities where the angles involved are acute angles for which the expressions are defined. (ix) (cosec A – sin [...]

Prove the following identities, where the angles involved are acute angles for which the expressions are defined. (iv) (1 + sec A)/sec A = sin^2A/(1-cos A) Prove the following identities where the angles involved are acute angles for which the expressions are defined. (iv) (1 + sec A)/sec A = sin^2A/(1-cos A) October 5, 2020 [...]