sin^4 A-cos^4 A=k^4 then find sin^2 A-cos^2 A
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so sin^2A-cos^2A=k^4
hope it'll help you.
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so sin^2A-cos^2A=k^4
hope it'll help you.
If you like this please mark this answer as brainliest and follow me.
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yogendra1024:
bhai ise brainliest answer mark kar do please
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