Question
If sin 2a = (5/9), then find the value of (sin a + cos
a).Solution
sin 2a = (5/9)
Adding 1 to both sides, we get;
1 + sin 2a = (14/9)
We know that (sin²a + cos²a) = 1 and (sin 2P = 2 sinP cosP)
sin²a + cos²a + 2 sin a cos a = (14/9)
(sin a + cos a)² = (14/9)
(sin a + cos a) = √14/3
Number of times each letter is appearing in the given word is indicated in each alternative. Identify the correct one.
'IMMEDIATELY'
Select the correct mirror image of the given figure, when the mirror is placed to the right side of the figure.
Gurman drove 28 km towards the West, took a left turn and drove 22 km. She then took a right turn and drove 18 km. She again took a right turn and drove...
In a certain code language, STRAIGHT is written as TSARGITH. How will THURSDAY be written as in that language?
There are five girls-A,B,C,D and  E sitting in a row facing North. E is sitting exactly in middle of the row, B  is sitting to the immediate right a...
Identify the number, which when added to itself 14 times gives 540.
Statements:
All tables are chairs.
All chairs are fan.
Some fan are bulb.
Conclusion:
I. All chairs are tables.<...
If + means – , – means x , x means ÷ and ÷ means +, then what will come in place of ? in the given equation?
7 ÷ 20 – 5 x 20 + 2 = ?
...Select the option that is related to the third word in the same way as the second word is related to the first word.
Clay: Pottery :: Wheat : ?
In a certain code language ‘TARGET’ is written as ‘QASSEF’ and ‘BANNED’ is written as ‘MAACEM’. How is ‘SHARED’ written in that code...
Relevant for Exams:
