Request a call back

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

CBSE Class 10 Answered

How to evaluate without tables?
question image
Asked by malaysaha.80 | 09 Feb, 2019, 11:38: AM
answered-by-expert Expert Answer
begin mathsize 18px style open parentheses fraction numerator sin space 47 over denominator cos space 43 end fraction close parentheses squared plus open parentheses fraction numerator cos space 43 over denominator sin space 47 end fraction close parentheses squared minus 4 cos squared 45
equals open parentheses fraction numerator sin space open parentheses 90 minus 43 close parentheses over denominator cos space 43 end fraction close parentheses squared plus open parentheses fraction numerator cos space open parentheses 90 minus 47 close parentheses over denominator sin space 47 end fraction close parentheses squared minus 4 cos squared 45
equals open parentheses fraction numerator cos space 43 over denominator cos space 43 end fraction close parentheses squared plus open parentheses fraction numerator sin space 47 over denominator sin space 47 end fraction close parentheses squared minus 4 cos squared 45
equals 2 minus 4 cos squared 45
equals 2 minus 4 open parentheses 1 half close parentheses equals 0 end style
Answered by Arun | 09 Feb, 2019, 02:36: PM

Application Videos

CBSE 10 - Maths
Asked by vk952384 | 09 Mar, 2024, 11:34: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by ankitakulhar075 | 03 Apr, 2022, 08:43: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by arunpattu22 | 11 Jun, 2021, 11:21: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by debasreepartha | 23 Apr, 2021, 08:38: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by lavanyasureshkumar | 24 Aug, 2020, 04:02: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by meenakshisrinivas4 | 20 Apr, 2020, 12:10: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by Maharanam446 | 22 Jan, 2020, 01:21: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by sadhanapatil494 | 13 Jan, 2020, 08:02: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by preetisonips22 | 04 Jan, 2020, 05:44: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Maths
Asked by shethdhrumil0 | 20 Dec, 2019, 12:09: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
Get Latest Study Material for Academic year 24-25 Click here
×