State whether the following are true or false. Justify your answer
State whether the following are true or false. Justify your answer.(i) The value of tan A is always less than 1.(ii) sec A= 12/5 for some value of angle A.(iii) cos A is the abbreviation used for the cosecant of angle A.(iv) cot A is the product of cot and A.(v) sinθ = 4/3 for some angle θ. class 10 exercise 8.1 question number 11 mathematics exercise 11.1 question number 11the problem is solved in an animated video@Study Safely at Home

10. In ∆PQR, find sin P, cos P,tan P maths maths
10. In ∆PQR, if PR+QR=25 cm and PQ= 5 cm, find sin P, cos P,tan P class 10 exercise 8.1 question number 10 mathematics exercise 11.1 question number 10the problem is solved in an animated video@Study Safely at Home

In the ∆ABC right-angled at B, if tan A = 1/√3, find the value of:
In the triangle ABC right-angled at B, if tan A = 1/√3, find the value of:(i) sin A cos C + cos A sin C(ii) cos A cos C - sin A sin C class 10 exercise 8.1 question number 9 mathematics exercise 11.1 question number 9the problem is solved in an animated video@Study Safely at Home

8.If 3 cot A = 4, check (1 - tan2 A) / (1 + tan2 A) = cos2 A - sin2 A or not
8. If 3 cot A = 4, check whether (1 - tan2 A) / (1 + tan2 A) = cos2 A - sin2 A or not class 10 exercise 8.1 question number 8 mathematics exercise 11.1 question number 8the problem is solved in an animated video@Study Safely at Home

7. If cot θ = 7/8, evaluate:(i) (1 + sin θ)(1 - sin θ) / (1 + cos θ)(1 - cos θ)(ii) cot2θ
7. If cot θ = 7/8, evaluate:(i) (1 + sin θ)(1 - sin θ) / (1 + cos θ)(1 - cos θ)(ii) cot2θ class 10 exercise 8.1 question number 7 mathematics exercise 11.1 question number 7the problem is solved in an animated video@Study Safely at Home

6.If ∠A and ∠B are acute angles such that cos A = cos B, then show that ∠A = ∠B
6. If ∠A and ∠B are acute angles such that cos A = cos B, then show that ∠A = ∠B class 10 exercise 8.1 question number 6 mathematics exercise 11.1 question number 6the problem is solved in an animated video@Study Safely at Home

5. Given sec θ = 13/12, calculate all other trigonometric ratios
5. Given sec θ = 13/12, calculate all other trigonometric ratios class 10 exercise 8.1 question number 5 mathematics exercise 11.1 question number 5the problem is solved in an animated video@Study Safely at Home

4. Given 15 cot A = 8, find sin A and sec A. class 10 exercise 8.1
4. Given 15 cot A = 8, find sin A and sec A class 10 exercise 8.1 question number 4 mathematics exercise 11.1 question number 4the problem is solved in an animated video@Study Safely at Home

3. If sin A =3 ,4 calculate cos A and tan A class 10 exercise 8.1
3. If sin A =3 ,4 calculate cos A and tan A class 10 exercise 8.1 question number 3 mathematics exercise 11.1 question number 3the problem is solved in an animated video@Study Safely at Home

find tan P - cot R
2. in the figure. find tanQ- cot R class 10 exercise 8.1 question number 2 mathematics exercise 11.1 question number 2the problem is solved in an animated video

find sinA,cosA,sinC,cos C maths @ studysafelyathome
1. In ∆ ABC, right-angled at B, AB = 24 cm, BC = 7 cm. Determine :(i) sin A, cos A(ii) sin C, cos C class 10 exercise 8.1 question number 1 mathematics exercise 11.1 question number 1the problem is solved in an animated video