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Rabinprakash
Questions (8)
Prove that:(cos40-sin30)/sin60-cos50=tan50
2 answers
5,286 views
Tan20+4sin20=√3
2 answers
980 views
Prove : Tan20+4Tan20=√3
1 answer
530 views
Prove: TanA+2Tan2A+4Tan4A+8Cot8A=CotA
1 answer
794 views
Prove: TanA+2Tan2A+4Tan4A+8Cot8A=CotA
0 answers
515 views
In an election Ram and sham were two candidates. Ram got 54% of the votes cast and secured the majority of 250 votes. If none of
1 answer
530 views
Prove: (1+tan21)(1+tan28)(1+tan24)(1+tan17)=4
2 answers
725 views
Prove: (1+tan21)(1+tan28)(1+tan24)(1+tan17)=4
0 answers
501 views
