Recommended Questions
- tan B + cot B=2sec 2A => A+B=
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- (cotA+tanB)/(cotB+tanA)=cotAtanB
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- Prove: (cotA+tanB)/(cotB+tanA)=cotAtanB
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- Prove: (tanA+tanB)/(cotA+cotB)=tanAtanB
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- (cot A+tan B)/(cot B+tan A)=cot A tan B
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- (tan A+ tan B)/(cot A+ cot B)=tan A tan B
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- (tan A + tan B)/( cot A + cot B)+(1- tan A tan B)/( 1- cot A cot B)=
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- If "cosec" 2A+ "cosec"2B+"cosec"2C=0, prove that tan A+ tan B+ tan C+ ...
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- cosec 2A+ cosec 2B+cosec 2C=0 হলে দেখাও যে, tan A+ tan B+tan C+cot A+ ...
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