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Tan x + tan 2x + tan 3x = tan x tan 2x tan 3x সমীকরণে x এর মান হবে-
tan x + tan 2x + tan 3x = tan x tan 2x tan 3x সমীকরণে x এর মান কত ?
A + B + C =  π2 হলে tan A tan B + tan B tan C + tan C  tan A =   কত ? 
What is the value of \(\frac{{cosec\;\left( {78^\circ - \theta } \right) - \sec \left( {12^\circ \; + \;\theta } \right) - \tan \left( {67^\circ \; + \;\theta } \right)\; + \;\cot \left( {23^\circ - \theta } \right)}}{{\tan 13^\circ \tan 37^\circ \tan 45^\circ \tan 53^\circ \tan 77^\circ }}?\)
If tan 46° tan 29° tan2 A tan 61° tan 44° = tan A, then what is the measure of ‘B’ if tan (A + B) = (√3 + 1)/(√3 - 1)?
$$\frac{{2{\text{sin }}{{68}^ \circ }}}{{{\text{cos 2}}{{\text{2}}^ \circ }}}$$   $$ - $$ $$\frac{{2{\text{cot 1}}{5^ \circ }}}{{5\tan {{75}^ \circ }}}$$   $$ - $$ $$\frac{{3\tan {{45}^ \circ }.\tan {{20}^ \circ }.\tan {{40}^ \circ }.\tan {{50}^ \circ }.\tan {{70}^ \circ }}}{5}$$         is equal to?
What is the value of tan 6° tan 36° tan 84° tan 54° tan 45°?
What is the value of tan 6° tan 36° tan 84° tan 54° tan 45°?
∫cos2 xdx-∫ sin2 xdx এর মান কোনটি?
tan-134+tan-117+tan-113+tan-112 এর মান কোনটি ?