in which I solved for cos^2 to get 
Show all steps necessary to verify the trigonometric identity:
1 - 2cos^2x = 2sin^2x - 1...
Mathematics, 15.12.2021 01:20 plzzhelp7931
Show all steps necessary to verify the trigonometric identity:
1 - 2cos^2x = 2sin^2x - 1
Answers: 3
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