the value of sin2 30° – cos2 30° is
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49
ANSWER :-
sin2 30° – cos2 30°
sin60 – cos60
√3/2–1/2...
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Answered by
47
Answer:
-1/2
Step-by-step explanation:
sin2 30 - cos2 30
=(1/2)2 - (sqrt3/2)2
=1/4 - 3/4
=-1/2
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