Recommended Questions
- Prove that :(tan69^@+tan 66^@)/(1-tan 69^@tan66^@)=-1
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- Prove that :(tan69^@+tan 66^@)/(1-tan 69^@tan66^@)=-1
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- Prove that (i) "cos " 15^(@) - " sin " 15^(@) = (1)/(sqrt(2)) ...
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- (tan 66^(@) + tan 69^(@) )/( 1-tan 66^(@) tan 69^(@) )=
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- सिद्ध कीजिए कि tan69^(@)+tan 66^(@)+1=tan69^(@). tan 66^(@)
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- सिद्ध कीजिए कि (i) tan 36^(@) + tan 9^(@) + tan 36^(@) tan 9^(@) ...
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- सिद्ध कीजिये कि tan 6^(@). Tan42^(@). Tan66^(@). Tan78^(@) =1
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- If tan 69^(@) + tan 66^@ - tan 69^(@) tan66^@=2k , then the value of ...
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- Prove that:(i)"tan"69^(@)+"tan"66^(@)+1="tan"69^(@) "tan"66^(@) (ii)...
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