Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 11-commerce Answered

cos7x + cos5x/ sin7x- sin 5x =cotx
Asked by sanjeevnayan3 | 01 Jun, 2019, 08:58: AM
answered-by-expert Expert Answer
begin mathsize 16px style fraction numerator cos 7 straight x plus cos 5 straight x over denominator sin 7 straight x minus sin 5 straight x end fraction equals fraction numerator 2 cos open parentheses begin display style fraction numerator 12 straight x over denominator 2 end fraction end style close parentheses cos open parentheses begin display style fraction numerator 2 straight x over denominator 2 end fraction end style close parentheses over denominator 2 cos open parentheses fraction numerator 12 straight x over denominator 2 end fraction close parentheses sin open parentheses fraction numerator 2 straight x over denominator 2 end fraction close parentheses end fraction equals fraction numerator cos begin display style straight x end style over denominator sin begin display style straight x end style end fraction equals cotx end style
Answered by Sneha shidid | 03 Jun, 2019, 09:13: AM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 11-commerce - Maths
the set of month of a year find finite or infinite
Asked by ay608560 | 04 Mar, 2024, 05:10: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-commerce - Maths
Find the value of L
question image
Asked by shivamkumar828786 | 04 Mar, 2024, 07:18: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-commerce - Maths
find the sum of 7,77,777,7777,up to nth term
Asked by kbhavani936 | 19 Feb, 2024, 02:46: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-commerce - Maths
a wire when bent in the form of an equilateral triangle encloses an area of 36root3cm² . find area enclosed when bent to form a square
question image
Asked by shikhapuri26 | 07 Sep, 2023, 04:05: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-commerce - Maths
cos^3π\5+cos^4π\5
question image
Asked by pgsrilakshmivenkateshwara | 16 Aug, 2023, 07:07: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-commerce - Maths
I am in class 11th and preparing for ca ...how much hours should I study in a day?
Asked by slim16248 | 20 Oct, 2021, 12:28: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-commerce - Maths
the sum of the roots of the equation |x-2|^2 +|x-2|-2=0 is  
Asked by amarnath3473 | 13 Jun, 2021, 12:43: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-commerce - Maths
what is set
Asked by Guptavanshika061 | 23 Apr, 2021, 12:12: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-commerce - Maths
determine the principle that will earn rupees 100 as simple interest in 2 years at 5% per annum also find amount after 2 years
Asked by nikinikita0740 | 15 Feb, 2021, 09:12: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-commerce - Maths
if an AP is such that a4/a7 = 2/3, find a6/a8
question image
Asked by malikasaikia0 | 10 Dec, 2020, 12:02: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×