Ask a Doubt
Request a call back

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

ICSE Class 10 Answered

<div>SinA - sinB/ cos A +Cos B &nbsp; + cos A- cosB/sinA +sinB =0</div>
Asked by adampur334 | 02 Oct, 2017, 04:19: PM
Expert Answer
begin mathsize 16px style fraction numerator Sin space straight A space minus space sin space straight B over denominator cosA space plus space cosB end fraction space plus space fraction numerator cosA space minus space cosB over denominator Sin space straight A space plus space sin space straight B end fraction equals fraction numerator open parentheses Sin space straight A space minus space sin space straight B close parentheses begin display style open parentheses Sin space straight A space plus space sin space straight B close parentheses end style begin display style plus end style begin display style open parentheses cosA space minus space cosB close parentheses end style begin display style open parentheses cosA space plus space cosB close parentheses end style over denominator open parentheses cosA space plus space cosB close parentheses begin display style open parentheses Sin space straight A space plus space sin space straight B close parentheses end style end fraction equals fraction numerator begin display style sin squared end style begin display style straight A end style begin display style space end style begin display style minus end style begin display style space end style begin display style begin display style sin end style squared end style begin display style space end style begin display style straight B end style begin display style space end style begin display style plus end style begin display style space end style begin display style begin display style cos end style squared end style begin display style space end style begin display style straight A end style begin display style space end style begin display style minus end style begin display style space end style begin display style begin display style cos end style squared end style begin display style space end style begin display style straight B end style over denominator open parentheses cosA space plus space cosB close parentheses open parentheses Sin space straight A space plus space sin space straight B close parentheses end fraction equals fraction numerator sin squared straight A plus cos squared space straight A space minus open parentheses space sin squared space straight B plus cos squared space straight B close parentheses over denominator open parentheses cosA space plus space cosB close parentheses open parentheses Sin space straight A space plus space sin space straight B close parentheses end fraction equals fraction numerator begin display style 1 space minus 1 end style over denominator begin display style open parentheses cosA space plus space cosB close parentheses open parentheses Sin space straight A space plus space sin space straight B close parentheses end style end fraction equals 0 fraction numerator begin display style Sin space straight A space minus space sin space straight B end style over denominator begin display style cosA space plus space cosB end style end fraction space plus space fraction numerator begin display style cosA space minus space cosB end style over denominator begin display style Sin space straight A space plus space sin space straight B end style end fraction space equals space 0 space Hence comma space proved. end style
Answered by Sneha shidid | 03 Oct, 2017, 09:25: AM

Application Videos

Concept Videos

Multiple Choice Questions Practice Test Subjective Questions Webinar Subjective Questions Pre Board Assessment
Answered Unanswered My Questions My Answers
ICSE 10 - Maths
Prove that: sin2a+cos2a=1
Asked by abhidlw4321 | 03 Oct, 2022, 09:34: PM
ANSWERED BY EXPERT
ICSE 10 - Maths
To memorize trigonometry formulas ,please let me know if there is  any easy method ? -thanks
Asked by rashikulkarni28 | 10 Jun, 2022, 10:23: AM
ANSWERED BY EXPERT
ICSE 10 - Maths
please help me to answer the question
Asked by rashikulkarni28 | 08 Jun, 2022, 03:14: PM
ANSWERED BY EXPERT
ICSE 10 - Maths
Hello Sir, I have a query in maths trigonometry please help me to solve the given problem
Asked by rashikulkarni28 | 01 Jun, 2022, 07:08: PM
ANSWERED BY EXPERT
ICSE 10 - Maths
tan ^2
Asked by panditpriyanka323 | 12 Feb, 2022, 02:44: PM
ANSWERED BY EXPERT
ICSE 10 - Maths
value of sin 45
Asked by anshujaiswal221502 | 08 Feb, 2022, 09:12: PM
ANSWERED BY EXPERT
ICSE 10 - Maths
(cosec A -sinA) (sec A -cosA)=1/tanA cot A
Asked by priyankakumarisoni1608 | 08 Aug, 2021, 03:29: PM
ANSWERED BY EXPERT
ICSE 10 - Maths
sec²a.cosec²a = tan²a + cot²a+ 2
Asked by rakshitsujata1 | 07 Apr, 2021, 08:44: AM
ANSWERED BY EXPERT
ICSE 10 - Maths
(sin A+ cos A) (sec A+ cosec A) = 2+sec A.cosec A
Asked by kotharianaiya9 | 06 Mar, 2021, 12:15: PM
ANSWERED BY EXPERT
ICSE 10 - Maths
tan2-sin2=tan2.sin2
Asked by afaizaali293 | 25 Oct, 2020, 11:39: AM
ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt