Question

answer me fast...........​

Answer 1

Step-by-step explanation:

46 and 44 are complementary angles

so tan46 = cot44

similarly

26 and 64 are complementary angles so,

tan26 =cot 64

now the expression becomes,

cot44×cot64×tan44×tan64 =1

hence proved

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Answer 2

$\mathtt{ \huge \fbox{SOLUTION :}}$

$\mapsto \sf \tan46 \times \tan26 \times \tan44 \times \tan 64</p><p> \\ \\ \mapsto \sf </p><p> \tan 46 \times \tan 26 \times \tan (90 - 46) \times \tan (90 - 26) \\ \\ \mapsto \sf </p><p></p><p> \tan 46 \times \tan 26 \times \cot 46 \times \cot 26\\ \\ \mapsto \sf </p><p></p><p> \tan 46 \times \tan26 \times \frac{1 }{ \tan46} \times \frac{1}{tan26} </p><p> \\ \\ \mapsto \sf 1</p><p>$

Remember :

$\sf \fbox \star \: \tan (90 - \theta) = cot \theta$