value of cos2A+tanA
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1
Answer:
Sorry Question is
cot2A+tanA
cot2A+tanA ,
=cos2Asin2A+sinAcosA ,
=cos2AcosA+sim2AsinAsin2AcosA ,
=cos(2A−A)sin2AcosA ,
We know that,
cos2AcosA+sin2AsinA
=cos(2A−A).
∴cot2A+tanA
=cosec2A
Proved....
Answered by
0
Answer:
cosec2A
Step-by-step explanation:
Explanation is given in pic attached
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