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sin2 9 ° + sin2 10 ° + sin2 11 ° + sin2 12 ° + ……… + sin2 81 ° = (sin 2 9 ° + sin2 81 °)+(sin2 8 ° + sin2 82 °) + .…. + (sin2 44 ° + sin2 46 °) + sin2 45 ° = (sin2 9 ° + cos2 9 °)+(sin2 10 °+ cos2 10 °) + .…. + (sin2 44 ° + cos2 44 °)+ sin2 45 ° {As sin (90 ° - θ) = cos θ} = (1)+(1) + .…. upto 36 times + sin2 45 ° { As sin2 θ + cos2 θ= 1} = 36 + sin2 45 ° = 36 + (1/√2)2 {As sin 45 ° =1/√2 } = 36 + = 36.5
What is the possible weight of R?
Which of the following is not an example of protocol?
Which one is used to protect computers from viruses?
The primary mechanism for providing context for data is....................
Statements:
Some drives are laptops.
All laptops are keyboards.
No keyboard is a computer.
Conclusions:
I. ...
1. Index
2. Tittle
3. Introduction
4. Contents
5. Chapter
By interchanging the given two signs and numbers which of the following equation will be not correct?
× and ÷, 2 and 6
I. 7 – 4 × 3...
When the digits, which are odd in the number ‘84376529’ are decreased by 2 and the remaining digits are increased by 1, then what is the sum of 5