Ask a Question

Prove that cos^2θ/sinθ-cosecθ+sinθ=0

← Prev Question Next Question →
+1 vote
22 views
asked Feb 14, 2018 in Mathematics by Kundan kumar (49,132 points) ● 34 ● 382 ● 1019
edited Feb 15, 2018 by Vikash Kumar

Prove that (cos2θ/sinθ)-cosecθ+sinθ=0

Prove that (cos2 theta/sin theta)-cosec theta+sin theta=0

1 Answer

+1 vote
answered Feb 14, 2018 by Vikash Kumar (144,729 points) ● 8 ● 11 ● 21
edited Feb 15, 2018 by Vikash Kumar
 
Best answer

LHS= (cos2θ-sinθcosecθ+sin2θ)/sinθ

= (cos2θ+sin2θ-1)/sinθ  [Therefore sinθcosecθ=1]

=0

=LHS =RHS Hence proved

← Prev Question Next Question →

Related questions

0 votes
1 answer
Prove that 1+cot^2θ/(1+cosecθ)=cosecθ
asked Feb 15, 2018 in Mathematics by Kundan kumar (49,132 points)

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.

One Thought Forever

“There is a close connection between getting up in the world and getting up in the morning.“
– Anon
~~~*****~~~

Related questions

© 2017 Sarthaks eConnect
Managed by Sarthaks Digitizing India
...