LIVE Course for free

Rated by 1 million+ students
Get app now
0 votes
60 views
in Trigonometry by (13.0k points)
closed by
If cos(α + β) = 0 then sin(α - β) can be reduced to:-

(1) cosβ

(2) cos2β

(3) sinα

(4) sin2α

1 Answer

+1 vote
by (26.4k points)
selected by
 
Best answer

The correct option is (2) cos2β

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.

Categories

...