Evaluate tan 65°/cot 25°

+1 vote
72 views
asked May 7, 2017 in Mathematics by Rohit Singh (61,782 points) 35 133 357

1 Answer

+1 vote
answered May 7, 2017 by Rohit Singh (61,782 points) 35 133 357
 
Best answer

Solution : We know : cot A = tan (90° – A)
So, cot 25° = tan (90° – 25°) = tan 65°
i.e.,
tan 65/cot 25° = tan 65°/tan 65° = 1

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
~~~*****~~~

...