sin(90-A)equalise to what reply fast
vaibhavreigns:
please delete my ques
what
Why??
Why u need to delete ur question??
Answers
Answered by
1
cos A is the answer for the question
please
hi
its an acute angle
tell me in brief please
I guess cause only then this applies
acute angle
u have rd?
in the 2016 version pg pg no 5.45
Take a right angle Triangle the let one angle be x then other become (90-x) find cosx and sin (90-x) you got them equal
tq i got clarity
Answered by
1
Sin(90°-A) = Cos A ....
can u explain in brief
how please
This is the formula for proof refer your math's book
Similar questions