if sin square theta + cos square theta is equals to 1 then what is the value of sin squared theta minus cos squared theta
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Value is:
1-4cos²Asin²A
1-4cos²Asin²A
viraj02072004:
how did you get that. I need a proper proof
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3
sin^2(theta)-cos^2(theta)=1–2cos^2(theta)
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