plz answer plz solve and send.
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Answer:
sin²ϑ + cos²ϑ
Step-by-step explanation:
( sin⁴ϑ - cos⁴ϑ ) / ( sin²ϑ - cos²ϑ ) = [ (sin²ϑ+cos²ϑ)(sin²ϑ-cos²ϑ) ]/ (sin²ϑ - cos²ϑ)
* Identity— a²-b² = (a+b)(a-b) here a = sin²ϑ, b = cos²ϑ *
= sin²ϑ + cos²ϑ
Hope it helps you:)
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