Is sin titha +cos titha equal to 1??
faraanahmedhashmi:
no. u can prove that sin theta+cos theta is not equal to 1
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Answered by
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NO SIN^2THETHA + COS^2 THETHA =1
a Sq plus b Sq plus 2ab
Sq is square
do u consider √ a^2+ b^2 = a+b
no
then why are u telling that..
thanks
sorry for that
√sin^theta + cos^2 theta= sin theta + cos theta
if u have doubt in any identity.. then ..put the values of theta .. it would be more clr then..
ok
Answered by
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It is only possible when theeta is 90 degree. Really sin square theeta plus cos square theeta is 1
can you please explain
yes
cos 90 is 0
yes
add them
we get 1
but cos 34 is
sorry
cos 30 is root 3 by 2
tq
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