Question

if cos theta is equal to 7 by 8 then over there 1 square minus sin theta whole square by 1 square minus cos theta whole square

Answer 1

Cot =7/8
=B/P
by pgt
H²=B²+P²
H=√113
Sin =P/H
8/√113
Cos =B/H
7/√113
Now see in pic

Answer 2

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