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Sin square 60°-cos square 60°= sin 30° |
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Answer» Step-by-step EXPLANATION: sin^2 60°-cos^2 60° = sin30° (√3/2)^2 -(1/2)^2 =1/2 3/4-1/4=1/2 3-1/4=1/2 2/4=1/2 1/2=1/2 THEREFORE,LHS=RHs |
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