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यदि cosec 39°= x है तो का $$ {1\over {cosec^{2}{51°}}} +sin^{2} 39^{°}+tan^{2}{51^{°}}-{1\over {sin^{2}{51^{°}}}{Sec^{2}{39^{°}}}}$$ मान होगा।
5Q:
यदि cosec 39°= x है तो का $$ {1\over {cosec^{2}{51°}}} +sin^{2} 39^{°}+tan^{2}{51^{°}}-{1\over {sin^{2}{51^{°}}}{Sec^{2}{39^{°}}}}$$ मान होगा।
- 1$$ {\sqrt{x^{2}-1}}$$false
- 2$$ {\sqrt{1-x^{2}}}$$false
- 3$$ {x^{2}-1}$$true
- 4$$ {1-x^{2}}$$false
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