Verify whether or not it is an identity 1+cos a/cot a = sin2a
1 answer:
Answer:
Step-by-step explanation:
<h2>LHS=1+cos a/cot a</h2><h2>=1+COSa/cosa/sina</h2><h2>=1+sinacosa/cosa</h2><h2>1+sina#sin2a</h2><h2>hence it is not an identity</h2>
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Answer:
18
Step-by-step explanation:
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Answer:
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Step-by-step explanation:
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