Chapter 8 – Introduction to Trigonometry
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 ,
If sin a=3/4, calculate cos a and tan a.
05
Oct
If sin a=3/4, calculate cos a and tan a. calculate cos a and tan a. If sin a=3/4 October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 ,
In the given figure find tan P − cot R.
05
Oct
In the given figure find tan P − cot R. In the given figure find tan P − cot R. October 5, 2020 Category: Chapter 8 - Introduction to Trigonometry , Maths , NCERT Class 10 ,
In triangle ABC right angled at b AB =24 cm BC = 7 cm determine (a) sin a ,cos b. (b) sin c, cos c
05
Oct
In triangle ABC right angled at b AB =24 cm BC = 7 cm determine (a) sin a ,cos b. (b) sin c, cos c cos b. (b) sin c cos c In triangle ABC right angled at b AB =24 cm BC = 7 cm determine (a) sin a October 5, 2020 Category: Chapter [...]