1 A 1 B 1 C 2 3 A 3 B 3 C 3 D 3 E 3 F 3 G 3 H 3 I 3 J 3 K 3 L 3 M 3 N 4 A 4 B 5 A 5 B 6 A 6 B 6 C 6 D 6 E 6 F 7 8 9 A1 9 A2 9 A3 9 A4 9 A5 9 B 9 C 10 A 10 B 10 C 10 D 10 E

West Bengal Board - Mathematics

23. Trigonometric Ratios and Trigonometric Identities

1. Quadratic Equations in One Variable
2. Simple Interest
3. Theorems Related to Circle
4. Rectangular Parallelopiped or Cuboid
5. Ratio and Proportion
6. Compound Interest and Uniform Rate of Increase or Decrease
7. Theorems Related to Angles in a Circle
8. Right Circular Cylinder
9. Quadratic Surd
10. Theorems Related to Cyclic Quadrilateral
11. Construction: Construction of Circumcircle and Incircle of a Triangle
12. Sphere
13. Variation
14. Partnership Business
15. Theorems Related to Tangent to a Circle
16. Right Circular Cone
17. Construction: Construction of Tangent to a Circle
18. Similarity
19. Real Life Problems Related to Different Solid Objects
20. Trigonometry: Concept of Measurement of Angle
21. Construction: Determination of Mean Proportional
22. Pythagoras Theorem
23. Trigonometric Ratios and Trigonometric Identities
24. Trigonometric Ratios of Complementary Angle
25. Application of Trigonometric Ratios: Heights and Distances
26. Statistics: Mean, Median, Ogive, Mode

Let us Work Out 23.1

1 2 3 4 5 6 7 8 9

Let us Work Out 23.2

1 2 3 4 5 A 5 B 5 C 5 D 5 E 5 F 5 G 5 H 5 I 6 A 6 B 6 C 6 D 6 E 6 F 6 G 7 A 7 B 7 C 8 9 A 9 B 10 A 10 B 11

Let us Work Out 23.3

1 A 1 B 1 C 2 3 A 3 B 3 C 3 D 3 E 3 F 3 G 3 H 3 I 3 J 3 K 3 L 3 M 3 N 4 A 4 B 5 A 5 B 6 A 6 B 6 C 6 D 6 E 6 F 7 8 9 A1 9 A2 9 A3 9 A4 9 A5 9 B 9 C 10 A 10 B 10 C 10 D 10 E

Q. 5 A3.6( 7 Votes )

Let us eliminate

Class 10th West Bengal Board - Mathematics 23. Trigonometric Ratios and Trigonometric Identities

Answer :

Given, x = 2sinθ and y = 3cosθ

⇒

⇒

⇒ sin²θ + cos²θ = 1

⇒

⇒

Rate this question :

How useful is this solution?

We strive to provide quality solutions. Please rate us to serve you better.

PREVIOUSIn ΔXYZ, <span la NEXTLet us eliminate

Related Videos

Trigonometric Ratios

Trigonometric Ratios

Trigonometric Ratios46 mins

Trigonometric Ratios of Specified Angles

Trigonometric Ratios of Specified Angles

Trigonometric Ratios of Specified Angles38 mins

History - Concept and Questions

History - Concept and Questions

History - Concept and Questions57 mins

Revision on Substitution and Elimination Method

Revision on Substitution and Elimination Method

Revision on Substitution and Elimination Method44 mins

Trigo Marathon Part 1

Trigo Marathon Part 1

Trigo Marathon Part 146 mins

Trigo Marathon Part 2

Trigo Marathon Part 2

Trigo Marathon Part 245 mins

Application of Trigo Important Questions

Application of Trigo Important Questions

Application of Trigo Important Questions44 mins

Arithmetic Progression and 'nth' Term of AP

Arithmetic Progression and 'nth' Term of AP

Arithmetic Progression and 'nth' Term of AP55 mins

Economics - Concept and Questions

Economics - Concept and Questions

Economics - Concept and Questions59 mins

Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts

Dedicated counsellor for each student

24X7 Doubt Resolution

Daily Report Card

Detailed Performance Evaluation

caricature

view all courses

RELATED QUESTIONS :

Let us eliminate West Bengal Board - Mathematics

Let us fill in thWest Bengal Board - Mathematics

If sin θ + sin<suWest Bengal Board - Mathematics

If 2x = sec A andWest Bengal Board - Mathematics

If 2 cos 3 θ = 1,West Bengal Board - Mathematics

If tan <a name="_West Bengal Board - Mathematics

If <span lang="ENWest Bengal Board - Mathematics

If <span lang="ENWest Bengal Board - Mathematics

Let us write whetWest Bengal Board - Mathematics

If <span lang="ENWest Bengal Board - Mathematics