please help me in this sum
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Answered by
0
Answer:
Step-by-step explanation:
Very easy sum just slightly tricky
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Answered by
0
Step-by-step explanation:
trigonometric identities had been used
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![](https://hi-static.z-dn.net/files/d71/adf76e8b70ad91529b5c0d1973e3293a.jpg)
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