Phy electrostats pyq
In 8th ques, soln at back says that
Tan theta is approximately equal to sin theta, can anyone explain that
7 Replies
@Gyro Gearloose
Note for OP
+solved @user to close the thread when your doubt is solved. Mention the user who helped you solve the doubt. This will be added to their stats.small angle approximation
tantheta approx theta
sintheta approx theta
so tantheta approx sintheta
Since things vary sinosuidally in a pendulum, for ease of calculation they have given it to be a small angle in which case sin theta equals to theta. As you can tell by graphs y = x and y = sinx are very close at small x.
Ohhh
Ok thnx
+solved @Xyphoes
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