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Question Number 62595 by Pranay last updated on 23/Jun/19

$$whatis2{sin}^2\theta {cos}^2\theta ?$$

Commented by ajfour last updated on 23/Jun/19

$$sameas2\times \frac{p^2}{h^2}\times \frac{b^2}{h^2}$$

Answered by MJS last updated on 23/Jun/19

$$\frac{1}{4}(1-\cos 4\theta )$$

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