Answer:
1
Step-by-step explanation:
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Sina - (cosa)(tanb)/cosa + (sina)(tanb)
sina ≡ (tana)(cosa)
(tana)(cosa) - (cosa)(tanb)/cosa + (tana)(cosa)(tanb)
= cosa(tana - tanb)/cosa(1 + tanatanb)
(cosas cancel out)
= (tana - tanb)/(1 + tanatanb) ≡ tan(a-b)
First you have to find the area of the triangle ( 4 + 6 = 7.2) then you have to subtract that area from the area of the rectangle ( 66 - 7.2 = 58.8). The answer is 58.8
Answer:
first box 6 next box 6
Step-by-step explanation: