If x sin³A + y cos³A …

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If x sin³A + y cos³A = sinA cosA and x sinA = y cosA, prove that x² + y² = 1

Posted by Krish Tak 2 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Ankit Class 2 years, 1 month ago

tanA = y/x , from here get value of sinA and cosA and put in first eq

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