Math, asked by kk9626515, 1 month ago

If sinA - cosA=0 then what is the value of sin4A+cos4A

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Answered by parilis3104

1

Answer:

i have share the answer in attachment form u can see

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Answered by ashuguptafzd16

0

Answer:

sinA−cosA=0

⇒A=cosA

⇒tanA=1

⇒A=4π

sin4A+cos4A=sin44π+cos44π=(21)4+(21)4=41+41=21.

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