2 years ago

Find sine and cosine if angle C please

Mathematics

1 answer:

laiz [17]2 years ago

4 0

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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