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Explanation & Answer
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1. 𝑎 = 7, 𝐴 = 490
𝑏 = 6.1, 𝐵 = 410
𝑐 = 9.3, 𝐶 = 900
2. 𝑎 = 3.00, 𝐴 = 220
𝑏 = 7.4, 𝐵 = 680
𝑐 = 8, 𝐶 = 900
3. 𝑎 = 7, 𝐴 = 25.90
𝑏 = 14.4, 𝐵 = 64.1
𝑐 = 16, 𝐶 = 900
4. 𝟐𝟕𝟓𝟎 = 𝟒. 𝟖 𝒓𝒂𝒅𝒊𝒂𝒏𝒔
𝟕
5. − 𝟒 𝝅 𝒓𝒂𝒅𝒊𝒂𝒏𝒔 = −𝟑𝟏𝟓𝟎
−3150 = (−315 + 360) = 450
6. cos(−1200 ) = −0.5
7. sec (−
7𝜋
1
) = sec(2100 ) = cos(2100 ) =
6
8. sin−1 (−
√3
)
2
1
√3
−
2
=−
𝟐
√𝟑
= 2400 𝑜𝑟 3000
9. 𝐴𝑟𝑐𝑡𝑎𝑛(−1) = tan−1 (−1) = 1350 𝑜𝑟 3150
10. 𝑐𝑜𝑠𝜃 = −
√3
2
and lies in the Quadrant II means 𝜃 = 1500
The other five trigonometric functions become.
𝐬𝐢𝐧(�...