Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
11.9k views
in Trigonometry by (53.3k points)
edited by

In a triangle ABC, tan (A-B)/2 cot( A + B)/2 is equal to

(a)  (a + b)/c

(b)  (a + b)/a - b

(c)  (a - b)/a + b

(d)  (a + b)/2R

1 Answer

+1 vote
by (53.4k points)
selected by
 
Best answer

Correct option  (c)  a - b/a + b

 

Use Napier’s analogy,

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

...