1.

If $\alpha+\beta$ = $90^{0}$, then the value of $(1 - sin^{2}\alpha)(1 - cos^{2}\alpha)\times ( l + cot^{2}\beta)(1 + tan^{2}\beta)$ is1). 12). -13). 04). 2

Answer» RIGHT ANSWER for this QUESTION is OPTION 1


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