answer please for thi
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Answer:
simply take Common
sin^2A cos^2B+ cos^2A sin^2B+ sin^2A sin^2B +cos^2A cos^2B
=>sin^2A (cos^2B +sin^2B) + cos^2A (sin^2B + cos^2B)
now
=>sin^2A (1) +cos^2 A (1)
=>sin^2A + cos^2A
=> 1 Ans.
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