3 years ago

Sin3A/sinA-Cos3A/CosA=2

Mathematics

1 answer:

Kay [80]3 years ago

7 0

Answer:

sin3A/sinA-Cos3A/CosA=2

taking LCM

= Sin3A.CosA - Cos3A. SinA

SinA . CosA

= Sin(3A-A)

SinA . CosA

= Sin2A

SinA . CosA

= 2 SinA. CosA

SinA . CosA

Step-by-step explanation:

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Sin3A/sinA-Cos3A/CosA=2​

Sin3A/sinA-Cos3A/CosA=2