sinx +sin3x+sin5x+ sin7x=4cosx cos2x.cos4x
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hence there is a prove ......
Be brilliant ....plz
Be brilliant ....plz
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chapter number and questions number plz...
ch-3 11 ncert book miscellaneous exercise question no. 5
in the end of the questions its cos cos sin....i think...
class 11 book
yes u are right sin4x
can u do for me
its sin 4x
yas
i will
thanks
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