CBSE BOARD X, asked by nandini21sharma, 2 months ago

cosec^2 teeta multiple (1 sum cos teeta)^2 multiple (1 substrate cos teeta)^2 equals to K.

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Answered by Anonymous

2

Answer:

» cosec²Ø (1 + cosØ)² (1 - cosØ)²

= cosec²Ø [ (1 + cosØ) (1 - cosØ) ]²

= cosec²Ø . sin⁴Ø

= sin²Ø

Hence, k = sin²Ø

i.e. k € [0, 1]

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