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सिद्ध कीजिए : tan70^(@)=cot70^(@) +2cot4...

सिद्ध कीजिए : tan70^(@)=cot70^(@) +2cot40^(@) | 11 | त्रिकोणमितीय अनुपात एवं सर्वसमिकायें | MA...

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cot70^(@)+4cos70^(@)

Prove that tan 70^(@)=cot70^(@)++2cot40^(@)

tan100^(@)+2tan70^(@)=

(cot50^(@))/(tan40^(@))

tan 70^(@) - tan 20^(@) -2 tan 40^(@)=

tan70 ^ (@) - tan20 ^ (@) = k cot40 ^ (@) rArr k =

The value of cot70^(@)+4cos70^(@) is

The value of cot 70^(@) + 4 cos 70^(@) is

cot10^(@)cot20^(@)cot60^(@)cot70^(@)cot80^(@)=