Grade 12th passTrigonometry
if tanA.tanB is equal root a-b/a+b than prove that (1-cos2A)(1-cos2B) is equal a2-b2
1 Answer
Saurabh Koranglekar
Dear Student
please write the complete question in a proper format better if image or source is uploaded or mentioned, so that the ambiguity can be reduced.
Try using brackets for clear perception
regards
please write the complete question in a proper format better if image or source is uploaded or mentioned, so that the ambiguity can be reduced.
Try using brackets for clear perception
regards
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