1.

( sin 3 theta + sin 5 theta + sin 7 theta+ sin 9 theta)/( cos 3 theta + cos 5 theta + cos 7 theta + cos 9 theta)is equal to

Answer»

`tan 3 THETA `
`cot 3 theta `
`tan 6 theta `
`cot 6 theta `

ANSWER :C


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