Math, asked by atushar, 1 year ago

sin(a)+sin(2a)+sin(3a)+sin(4a)+sin(5a)

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Answered by brunoconti

2

Answer:

Step-by-step explanation:

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Answered by john332

3

Answer:

Step-by-step explanation:

here sin−1(1/3)=A

or sinA=1/3

now

sinA=1/cosecA

or,1/3=1/cosecA

∴cosecA=3

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