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zzk8
16.05.2021 •
Mathematics
Tantheta+sintheta/tantheta-sintheta=sectheta+1/sectheta-1
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Ответ:
TO PROVE :-
SOLUTION :-
First of all , simplify L.H.S.
![\frac{\tan \theta + \sin \theta}{\tan \theta - \sin \theta}](/tpl/images/1326/9138/110bd.png)
Use![= \frac{\frac{\sin \theta}{\cos \theta} + \sin \theta }{\frac{\sin \theta}{\cos \theta} - \sin \theta}](/tpl/images/1326/9138/ffa3a.png)
Take sinθ common from both numerator & denominator.![= \frac{\sin \theta (\frac{1}{\cos \theta} + 1) }{\sin \theta (\frac{1}{\cos \theta}- 1) }](/tpl/images/1326/9138/d7598.png)
Cancel the sinθ from both numerator & denominator.![= \frac{\frac{1}{\cos \theta} +1}{\frac{1}{\cos \theta} -1}](/tpl/images/1326/9138/3bd16.png)
Use∴ L.H.S. = R.H.S
Ответ:
She wants the construction to move more quickly
Step-by-step explanation:
this was the correct answer as shown on the quiz. the choices were changed