Question
√1444 + √729 – √2116 =
? What value should come in the place of (?) in the following questions?Solution
√1444 + √729 – √2116 = ? => ? = 38 + 27 – 46 => ? = 19
What is the value of sin(B – C) cos(A – D) + sin(A – B) cos(C – D) + sin(C – A) cos(B – D)?
The value of sec2 45˚ + 2 tan 135˚ is –
If cos² x + sin x = 5/4, then find the value of 'sin x'.
If sin α + cos β = 2 (0˚ ≤ β < α ≤ 90˚), then sin[(2α + β)/3] =?
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