What will be the value of-

Asked by singh_mp65 | 15th Feb, 2010, 06:00: PM

Expert Answer:

cos π/2 = 0 and sin cos π/2 = 1 and sin2x = sin(2(π/2)) = 0

Put x = π/2, in the expression,

(42 ) - (cosx - sinx )5]/[1 + sin2x] = (42 ) - (0 - 1 )5]/[1 + 0] = 42  + 1

Regards,

Team,

TopperLearning.

Answered by  | 16th Feb, 2010, 06:27: AM

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