Question

in ∆ ABC, right angle at B, if sin A=½, then the value of sinC cos A -cos c sin A is​

Answer 1

Step-by-step explanation:

B = 90

given sin a = 1/2 so angle a must be 30

so angle C = 60

sinC.cosA = root3/4

cosC.sinA = 1/4

so their subtraction = √3 - 1/4