★ Question : -
If cosA - sinA = 0 then sin^6A - sin²A = _______
(a) 1/5
(b) 1/8
(c) 3/8
(d) -3/8
↦Explanation needed!!
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★ Question : -
If cosA - sinA = 0 then sin^6A - sin²A = _______
(a) 1/5
(b) 1/8
(c) 3/8
(d) -3/8
↦Explanation needed!!
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right answer is option b -3/8
Step-by-step explanation:
take Angle A as 45 degree
=sin⁶A- sin ²A
=(1/root 2)⁶-(1/root 2)²
=1/8 -1/2
=1/8 - 1×4/2×4
=1/8-4/8
= -3/8
Verified answer
tex]\huge\boxed{\boxed{\mathfrak\red{Answer}}}[/tex]
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