What is the value of x if tan 3 x equals to sin45 degree ×cos 45 degree +sin 30 degree ?
Khush , 7 Years ago
Grade 10
Trigonometry> What is the value of x if tan 3 x equals ...
1 AnswersAbhrajyoti Kundu
Last Activity: 7 Years ago
x=15 degree
rt(2)*1/sqrt(2)+1/2=1/sqsin45 degree ×cos 45 degree +sin 30 degree
=1/2+1/2
=1
tan 3x=tan45 degree
so, x=15 degree
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