Answer:
Step-by-step explanation:
Sin 21 =
0.3583 =
0.3583*15 = BC
BC = 5.3745 = 5.37 m
Tan ∅ =
∅ = tan⁻¹ (0.7448) = 36.67 = 36.7
when a = -5 and y = 7 :
Answer: -40
ok done. Thank to me :>
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