Math, asked by sshubhamjain01, 3 months ago

sin⁴A-cos⁴A÷sin²A-cos²A

Answers

Answered by jasmeetkaur81

1

Step-by-step explanation:

(sin2A + cos2A)(sin2A-cos2A)

(sinA + cosA)(sinA- cosA)

(sin2A + cos2A)(sinA + cosA)(sinA- cosA)

(sinA + cosA)(sinA- cosA)

(sin2A + cos2A)=1

therefore answer is 1

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