prove prove that sec a into under root 1 minus sin square a is equals to 1
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prove prove that sec a into under root 1 minus sin square a is equals to 1
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Answer:
Use this
Step-by-step explanation:
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Step-by-step explanation:
secA×√1-sin²A
[1-sin²A=cos²A]
sec×√cos²A
secA×cosA
[cosA=1/secA]
secA×1/secA=1.
=> RHS.