(ii) sin²60° + cos²60° का मान होगा : (अ) 1 (ब) -1 (स) 2 (द) -2
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Answer:
1
Step-by-step explanation:
sin^260°+cos^260°
= (√3/2)^2 + (1/2)^2
=3/4 + 1/4
=4/4
=1
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