pl. solve the problem, each time my answer is to -1 instead 1

Asked by anneshwa | 13th May, 2012, 01:43: AM

Expert Answer:

tan(90- Q) (Sec(180-Q) Sin(-Q)

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Sin(180 + Q) Cot(360 - Q) Cosec(90 - Q)

 

= cotQ secQ (-Sin-Q)

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-sin Q cot Q secQ

 

= -1 / -1 = 1

Answered by  | 13th May, 2012, 04:38: PM

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