Solved: Example 8 6 If 𝑠 𝑖 𝑛 𝑥 ° = 0 . 7 , 𝑐 𝑜 𝑠 𝜃 ° = 0 . 6 and 𝑡 𝑎 𝑛 𝛼 ° = 0 . 4 , write down the values of

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Example 86 If 𝑠𝑖𝑛𝑥°=0.7,𝑐𝑜𝑠𝜃°=0.6 and 𝑡𝑎𝑛𝛼°=0.4, write down the values of:

a 𝑠𝑖𝑛(180+𝑥)°

b 𝑐𝑜𝑠(180+𝜃)°

c 𝑡𝑎𝑛(360-𝛼)°

d 𝑐𝑜𝑠(180-𝜃)°

e 𝑠𝑖𝑛(360-𝑥)°

f 𝑠𝑖𝑛(-𝑥)°

g 𝑡𝑎𝑛(360+𝛼)°

h 𝑐𝑜𝑠(-𝜃)°

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Solved: Example 8 6 ﻿If 𝑠 𝑖 𝑛 𝑥 ° = 0 . 7 , 𝑐 𝑜 𝑠 𝜃 ° = 0 . 6 ﻿and 𝑡 𝑎 𝑛 𝛼 ° = 0 . 4 , ﻿write down the values of

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Solved: Example 8 6 If 𝑠 𝑖 𝑛 𝑥 ° = 0 . 7 , 𝑐 𝑜 𝑠 𝜃 ° = 0 . 6 and 𝑡 𝑎 𝑛 𝛼 ° = 0 . 4 , write down the values of

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