durankarinaa28 durankarinaa28

10-03-2022
Mathematics

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Find sine and cosine if angle C please

Find sine and cosine if angle C please class=

Respuesta :

raven175 raven175

10-03-2022

Answer: sin=7/13,cos=2.sqrt30/13

Step-by-step explanation:

SOH COH TOA

sin=opp/hyp,cos=adj/hyp

Use pyth. theorem to find the adjacent of C.

13^2 =7^ + b^2

169 = 49 + b^2

120 = b^2

sqrt120 = sqrtb

2.sqrt30 = b is the missing side.

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