Sin^4x°+2sin^2x°cos^2x°+cos^4x° =1 Prove
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Yes, if we use this formula (a+b)²=a²+2ab+b² then we will got the answer
see,
LHS
sin⁴x+2sin²xcos²x+cos⁴x
=(sin²x)²+2sin²xcos²x+(cos²x)²
=(sin²x+cos²x)²
=(1)²
=1
RHS
proved
(sin²x+cos²x=1) it is a formula of trigonometry
see,
LHS
sin⁴x+2sin²xcos²x+cos⁴x
=(sin²x)²+2sin²xcos²x+(cos²x)²
=(sin²x+cos²x)²
=(1)²
=1
RHS
proved
(sin²x+cos²x=1) it is a formula of trigonometry
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