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Chapter 6: Q.89 (page 396)

If sin胃=0.3, find the value of:

sin胃+sin胃+2蟺+sin胃+4蟺

Short Answer

Expert verified

The value ofsin胃+sin胃+2蟺+sin胃+4蟺is0.9

Step by step solution

01

Given information

We are given thatsin胃=0.3

02

Use periodicity property of sine function sinθ+2π=sinθ

We get,

sin胃+sin胃+2蟺+sin胃+4蟺sin胃+sin胃+sin胃+2蟺sin胃+sin胃+sin胃3sin胃3(0.3)=0.9

03

Conclusion 

The exact value ofsin胃+sin胃+2蟺+sin胃+4蟺is0.9

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