1.

Sin square 60°-cos square 60°= sin 30°

Answer»

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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