prove this identity. full explanation
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satyendra32:
in 4 step what you do make me understand
plzzz
to solve the ques we added and subtracted the same values
to get (1-cos^2@)^3
why you do this
can you do it by another method
i m not getting any other method to solve
in which class do u read in
9 class
can u do it like (cosec^2)^3 - (cot^2)^3. then apply a^3-b^3
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