Maths
Evaluate the following: (ii) 2tan^2 45° + cos^2 30° − sin^2 60°
05
Oct
Evaluate the following: (ii) 2tan^2 45° + cos^2 30° − sin^2 60° Evaluate the following: (ii) 2tan^2 45° + cos^2 30° − sin^2 60° October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 ,
Evaluate the following: (i) sin60° cos30° + sin30° cos 60°
05
Oct
Evaluate the following: (i) sin60° cos30° + sin30° cos 60° Evaluate the following: (i) sin60° cos30° + sin30° cos 60° October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 ,
State whether the following are true or false. justify your answer.
05
Oct
State whether the following are true or false. justify your answer. State whether the following are true or false. justify your answer. October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 ,
In triangle PQR, right angled at q ,PR+QR=25CM and PQ=5CM. Determine the values of sin P, cos P and tan P.
05
Oct
In triangle PQR, right angled at q ,PR+QR=25CM and PQ=5CM. Determine the values of sin P, cos P and tan P. cos P and tan P. In triangle PQR PR+QR=25CM and PQ=5CM. Determine the values of sin P right angled at q October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , [...]
In triangle ABC right angled at B if tan a = 1 by root 3 find the value of (i) Sin A cos C + cos A sin C (ii) cos A cos C − sin A sin C
05
Oct
In triangle ABC right angled at B if tan a = 1 by root 3 find the value of (i) Sin A cos C + cos A sin C (ii) cos A cos C − sin A sin C In triangle ABC right angled at B if tan a = 1 by root 3 find [...]
If 3 cot A = 4, check whether 1-tan^2 A/1+tan^2 A=cos^2 A -sin^2 A or not.
05
Oct
If 3 cot A = 4, check whether 1-tan^2 A/1+tan^2 A=cos^2 A -sin^2 A or not. check whether 1-tan^2 A/1+tan^2 A=cos^2 A -sin^2 A or not. If 3 cot A = 4 October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 ,
If cot theta=7/8 evaluate (i) (1+sin theta)(1 – sin theta)/ (1+cot theta)(1-cos theta) (ii) cot^2θ
05
Oct
If cot theta=7/8 evaluate (i) (1+sin theta)(1 – sin theta)/ (1+cot theta)(1-cos theta) (ii) cot^2θ If cot theta=7/8 evaluate (i) (1+sin theta)(1 - sin theta)/ (1+cot theta)(1-cos theta) (ii) cot^2θ October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 ,
If angle A and angle B are acute angles such that cos A = cos B, then show that angle A = angle B
05
Oct
If angle A and angle B are acute angles such that cos A = cos B, then show that angle A = angle B If angle A and angle B are acute angles such that cos A = cos B then show that angle A = angle B October 5, 2020 Category: Chapter 8 - [...]
Given sec θ =13/12, calculate all other trigonometric ratios.
05
Oct
Given sec θ =13/12, calculate all other trigonometric ratios. calculate all other trigonometric ratios. Given sec θ =13/12 October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 ,
Given 15 cot A = 8, find sin A and sec A.
05
Oct
Given 15 cot A = 8, find sin A and sec A. find sin A and sec A. Given 15 cot A = 8 October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 ,