Chapter 8 – Introduction to Trigonometry
Evaluate tan 65 degree / cot 25 degree
05
Oct
Evaluate tan 65 degree / cot 25 degree Evaluate tan 65 degree / cot 25 degree October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 ,
If sin(A-B) = 1/2 and cos(A+B) = 1/2,0 degree < A+B B, then find A and B.
05
Oct
If sin(A-B) = 1/2 and cos(A+B) = 1/2,0 degree < A+B B, then find A and B. 0 degree < A+B B If sin(A-B) = 1/2 and cos(A+B) = 1/2 then find A and B. October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 ,
In triangle PQR right angled at Q, PQ=3cm & PR=6cm. Determine angle QPR & angle PRQ.
05
Oct
In triangle PQR right angled at Q, PQ=3cm & PR=6cm. Determine angle QPR & angle PRQ. In triangle PQR right angled at Q PQ=3cm & PR=6cm. Determine angle QPR & angle PRQ. October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 ,
In triangle ABC right angled at B . AB=5cm and angle ACB =30` determine the lengths of the sides BC and AC.
05
Oct
In triangle ABC right angled at B . AB=5cm and angle ACB =30` determine the lengths of the sides BC and AC. In triangle ABC right angled at B . AB=5cm and angle ACB =30` determine the lengths of the sides BC and AC. October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , [...]
In ΔOPQ, right angled at P, OP = 7 cm, OQ – PQ = 1 cm. Determine the values of sin Q and cos Q.
05
Oct
In ΔOPQ, right angled at P, OP = 7 cm, OQ – PQ = 1 cm. Determine the values of sin Q and cos Q. In ΔOPQ OP = 7 cm OQ - PQ = 1 cm. Determine the values of sin Q and cos Q. right angled at P October 5, 2020 Category: Chapter [...]
In right triangle ABC, right-angled at B, if tanA=1, then verify that 2sinAcosA=1.
05
Oct
In right triangle ABC, right-angled at B, if tanA=1, then verify that 2sinAcosA=1. if tanA=1 In right triangle ABC right-angled at B then verify that 2sinAcosA=1. October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 ,
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
05
Oct
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 .
05
Oct
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.
05
Oct
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
05
Oct
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 [...]