Question

In APQR, seg QT 1 side PR.
If PT = 4 and RQ = 9 PQ = 8
find cos0 and sin0.​

Answer 1

Step-by-step explanation:

In△PQS

Bypythagorastheorem,

PS

2

+SQ

2

=PQ

2

⟹PS

2

=PQ

2

−SQ

2

⟹PS

2

=10

2

−6

2

⟹PS

2

=100−36=64

⟹PS=8

In△PSR

⟹PS

2

+RS

2

=PR

2

(pythagoras)

⟹PR

2

=PS

2

+RS

2

⟹PR

2

=64+(RQ+QS)

2

=64+15

2

⟹PR

2

=64+225

⟹PR

2

=289

⟹PR=17cm