tan260° + 3cos2 30° का मान न्यात कीजिये।
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tan^2 60 + 3cos^2 30 = 3
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tan260° + 3cos2 30
tan260=2*√3=3
3cos2 30=3*(2*√3/2)
=3*3/4
=9/4
3/1+9/4
12+9/4
21/4
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