Q. 205.0( 1 Vote )
Mark the correct A. −53/10
B. 23/10
C. 37/10
D. 7/10
Answer :
Given:
3tanA +4 =0
⇒
tan2x + 1 = sec2x
Because in second quadrant cos is negative.
⇒
sin2x+cos2x= 1
∴ The value of 2 cot A − 5 cos A + sin A =
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