Math, asked by bharathmatam0, 7 months ago

1 For Cosine Rule of any triangle ABC, b2 is equal to:
A. a2-c2 + 2ab cos A
B. a3 + c3 - 3ab cos A
C. a2 + c2 - 2ac cos B
D. a2-c24bc cos A.

Answers

Answered by singhperminder565

4

Answer:

A.a2-c2+2ab cos A

B. a3+c3-3ab cos A

Previous Question

Next Question

Similar questions

Computer Science, 3 months ago

I want to know whether the answer is right or wrong. If true, then type t, and if false, write f The questions are 14- [T-F] Reports are formatted means of looking at a database table or the results of a query. 15- [T-F] The three main control structures are sequence, selection, and output. 16- [T-F] Flowcharts can be embedded into a program as comments.

Computer Science, 3 months ago

Write the steps to group the objects with an example in ms...

Math, 3 months ago

(C) A quadrilateral with a horizontal line of symmetry but no vertical line of symmetry maths question class 6 question no. 5 symmetry ...

Political Science, 7 months ago

“It was very difficult for National Assembly to pass the law against slavery system and abolished it. Explain the statement giving reasons.

Social Sciences, 7 months ago

3. The world's average density of population is about _______ persons per square Km. 4. ________has the third highest population in the world.

Math, 11 months ago

9682.56 find the square root...

Environmental Sciences, 11 months ago

Extent to which bad road use has a direct impact on the physical,social and economic aspects to the family,community and the country...

Physics, 11 months ago

Tail stock set over method of taper turning is preferred for...