Find the value of x, if tan 3x= sin 45 x cos 45+sin 30
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Answer:
RHS:
sin45.cos45+sin30
=11V2.11 V2 + 112
= 112+112
=212
=1
432
4.0
now,
tan 3x = 1
but tan 45º = 1
therefore,
tan 3x = tan 45
means 3x = 45
& x=45-3
hence x= 15
Step-by-step explanation:
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