1.

0GF,295+ ०0६09 न 509, UIS € + oST, U T :PRASSFIISH 06,300 — 9IS € + S UL T पु धन्य 2६. शा| [abllele] D9gV7 =0Vd/

Answer»

Tan45=1sin60=√3/2cot30=√3sec45=√2hencetan^245+3sin^260-cot^230+sec^2451+3*3/4-3+21+9/4-19/4



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