8. Introduction to Trigonometry
easy

જો $\tan A =\cot B$ હોય, તો સાબિત કરો કે, $A + B =90^{\circ}$

Option A
Option B
Option C
Option D

Solution

Given that,

$\tan A =\cot B$

$\tan A=\tan \left(90^{\circ}-B\right)$

$A=90^{\circ}-B$

$A+B=90^{\circ}$

Standard 10
Mathematics

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