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Hi all
Teacher gave me homework that i am having trouble doing it ..
i need help in these two problems which i can't seem to solve.
how can i prove the following :
@= theta
sec@ + tan@ = tan@sec@
cot@ + cos@
and
sin^2@  tan@= tan^2@
COS^2@  cot@
my try is in the attach file
Teacher gave me homework that i am having trouble doing it ..
i need help in these two problems which i can't seem to solve.
how can i prove the following :
@= theta
sec@ + tan@ = tan@sec@
cot@ + cos@
and
sin^2@  tan@= tan^2@
COS^2@  cot@
my try is in the attach file
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