Math, asked by kanaksakshi244, 9 months ago

if sin0 +sin20=1 show that cos20 +cos40=1

Answers

Answered by Anonymous

4

Answer:

sin0=1-sin20 sin0=cos20

now,

LHS= cos20 +cos40 cos20+(cos20)2 cos20+sin20=1 =RHS

Answered by DhayaKrishna

2

Answer:

yeah

Step-by-step explanation:

he answered correctly

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