Question

sin²45 + cos²45 - tan²45​

Answer 1

Answer:

its 0 if u put the values and see it u will find that its 0

Answer 2

${\mathbb{\green{TO \: FIND :-}}}$

${ \sin}^{2} 45 + { \cos}^{2} 45 - { \tan }^{2} 45$

$\large{\sf → Also \: we \: know \: that :-}$

${ \sin }^{2} θ+ { \cos}^{2} θ = 1$

$\tan45 = 1$

$\large\bigstar\underline\green{SOLUTION :-}$

${ \sin }^{2} 45 + { \cos}^{2} 45 - { \tan}^{2} 45$

On putting all the values...

$= 1 - 1$

$\boxed{ = 0} \: answer...$