What is (sin²A)²+(cos²A)²=
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Step-by-step explanation:
answer is 1-2 sin square A cos square B
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Answered by
1
Answer:
Sin⁴A+cos⁴A
Step-by-step explanation:
Required to find,
(sin²A)²+(cos²A)²
We know,
sin²A + cos²A = 1
So,
(sin²A)²+(cos²A)²
= {(sin²A) + (cos²A)}² - 2.sin²A.cos²A
= 1² - 2.sin²A.cos²A
= Sin⁴A+cos⁴A
Ans:- Sin⁴A+cos⁴A
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