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CBSE Class 10 Answered

if sin 4x = cos5x, then find the value of x
Asked by shaikhayesha20838 | 23 Feb, 2024, 12:06: AM
answered-by-expert Expert Answer

sin 4x = cos 5x

Hence,

sin 4x = sin(90-5x)

4x+5x = 90

x=10

Answered by Arun | 23 Feb, 2024, 09:55: AM
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