Question

If cosec 0 = sec0 , find the value of: 2 (tan^2 0 - sec^2 0) + 5​

Answer 1

Answer:

sectheta = √(2) for theta = 7pi4 in the range of theta given in the question.In IV quadrant, tan and cosec , both are - ve. tan (7pi4) = - 1 and cosec ...

Answer 2

Answer:

The weights of 40 students of a class are

given below:

Weight (in kg) 40 41 42 43 44 45

Number of

students 3 11 4 8 5 9

Find the probability that a person is selected at

random has weight between 41 and 44 kg.

(a) 2

5 (b) 3

5 (c) 7

10 (d) 3

10

Step-by-step explanation:

The weights of 40 students of a class are

given below:

Weight (in kg) 40 41 42 43 44 45

Number of

students 3 11 4 8 5 9

Find the probability that a person is selected at

random has weight between 41 and 44 kg.

(a) 2

5 (b) 3

5 (c) 7

10 (d) 3

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