(1- cos square theta) =tan^2 theta×cos^2 theta
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Answer:
Step-by-step explanation:
See the attachment .
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Step-by-step explanation:
left side
1-cos²A=sin²A
right side
tan²A×cos²A
=sin²A/cos²A×cos²A.
{as tan²A=sin²A/cos² A
=sin²A
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