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Questions (2)
sin2x=cos3x then sinx=?(if 0<x<pi/2)
5 answers
asked by
arka bhaskar
3,576 views
1)Find cos theta if sin theta=3/5 and 90 degrees<theta<180 degrees.
A)4/5 B)-4/5 C)square root of 34/5 D)-square root of 34/5 I
5 answers
asked by
Jon
855 views
Parent Categories (2)
Trigonometric Equations
Trigonometric Functions