sinA(1+tanA)+cosA(1+cotA)=
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Answer:
= sinA(1+tanA) + cosA(1+cotA
- Step-by-step explanation:
- =sinA(1+sinA/cosA) +cosA(1+cosA/sinA)
- =sinA(cosA+sinA/cosA)+cosA(sinA+cosA/sinA)
- ={sinA+cosA=1}
- sinA/cosA +cosA/sinA
- tanA +cotA
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