Solve Solve
Solve Solve
Solve Solve
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4
let PQ = X
Then PR = X + 1
by pythagoras theorem,
(X + 1 ) ^2 = X ^2 + 81
X^2 + 1 + 2X = X ^2 + 81
2X = 80
X = 40
PR = 41
sin R = 40 / 41
cos R = 9 / 41
sin R + cos R = 40 + 9 / 41
= 49 / 41.
Hope this helps you.
Then PR = X + 1
by pythagoras theorem,
(X + 1 ) ^2 = X ^2 + 81
X^2 + 1 + 2X = X ^2 + 81
2X = 80
X = 40
PR = 41
sin R = 40 / 41
cos R = 9 / 41
sin R + cos R = 40 + 9 / 41
= 49 / 41.
Hope this helps you.
Answered by
1
hope it helps!
#sumedhian ❤❤
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