Math, asked by juhi78621, 1 year ago

in triangl ABC,then value ofsin(A+B)sin(A-B)/cos^2Acos^2B=

Anonymous: is denominator of your question is correct?

juhi78621: yes

Anonymous: is in between of them any minus

juhi78621: no

Anonymous: cos^2a-cos^3a

juhi78621: noooo

Anonymous: cos^2a-cos^2b

juhi78621: nooo

Anonymous: ok

Answers

Answered by zoobi

1

(sinA+sinB)(sinA-sinB)/2cos ^2AB
sin^2A-sin^2B/2cos^2AB

zoobi: can u plz mark me as brainliest

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