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Find the values using trigonometric ratios
1) Solve cos 48⁰ - sin 42⁰
4
6
1
0
1/10
Solution
Answer:
0
Explanation:
cos 48⁰ - sin 42⁰
= cos (90⁰ - 42⁰) – sin 42⁰
= sin 42⁰ - sin 42⁰
= 0
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