Asked by chinnu
                sin (60 degrees + theta)-cos(30 degrees
- theta)is equal to
(A)2 cos theta
(B)2 sin theta
(C)theta
(D)1
could u plz explain this answer
thank you
            
        - theta)is equal to
(A)2 cos theta
(B)2 sin theta
(C)theta
(D)1
could u plz explain this answer
thank you
Answers
                    Answered by
            bobpursley
            
    http://www.sosmath.com/trig/Trig5/trig5/trig5.html  look at the sum and difference formulas
    
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