prove that cos^-1 (12/13) + sin^-1 (3/5) = sin^-1 (56/65)
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Answered by
12
We need to convert the terms on the LHS in form.
And, for the second term:
Now, we will use the identity:
Let us consider our LHS:
Now, we need to convert it into form.
Hence Proved.
And, for the second term:
Now, we will use the identity:
Let us consider our LHS:
Now, we need to convert it into form.
Hence Proved.
ddasddas:
its too long
Answered by
6
Given,
cos^-1 (12/13) + sin^-1 (3/5).
as we know that cos^-1(x)= sin^-1(√1-x²).
.
change' cos^-1 in sin ^-1.
see picture!!
cos^-1 (12/13) + sin^-1 (3/5).
as we know that cos^-1(x)= sin^-1(√1-x²).
.
change' cos^-1 in sin ^-1.
see picture!!
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