sin u=-24/25 (u in Quadrant III) cos v=-8/17 (v in Quadrant II). Evaluate the trigonometric function. Find cos u, sin v, and sin(u-v).

ringearV

ringearV

Answered question

2021-09-03

sinu=2425 (u Quadrant III)
cosv=817 (v Quadrant II)
Evaluate the trigonometric function. Find cosu,sinv,andsin(uv).

Answer & Explanation

Alix Ortiz

Alix Ortiz

Skilled2021-09-04Added 109 answers

sinu=opphyp=2425
Use the Pythagorean Theorem:
adj=252(24)2
=49
=7
cosu=adjhyp=725
cosv=adjhyp=817
opp=172(8)2
=225
=15
sinv=opphyp
=1517
sin(uv)=sinucosvcosusinv=(2425)(817)(725)(1517)
=192425+105425
=297425

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