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If sin (A-B) =1/2,cos(A+B)=1/2 then find …

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If sin (A-B) =1/2,cos(A+B)=1/2 then find the value of A and B

Posted by Pawan Khatana 6 years, 10 months ago

CBSE > Class 10 > Mathematics

2 answers

Pawan Khatana 6 years, 10 months ago

Thx a lot kunal bro

0Thank You

ẞì D Hàrth 6 years, 10 months ago

Sin (A-B) = sin 30 [ Here we cancel sin as they are on the both side]and cos ( A+B)= cos60 { similarly we also cancel cos} Now, A-B =30 A+B= 60 --------------- 2A= 90 ------------- A= 45 and B=15

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CBSE > Class 10 > Mathematics

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CBSE > Class 10 > Mathematics

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CBSE > Class 10 > Mathematics

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Posted by Hari Anand 6 months, 1 week ago

CBSE > Class 10 > Mathematics