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Ratul saha

· started a discussion

· 1 Months ago

unsatisfactory (Question: 367573.0 )

i will never get time to solve so elaborately in the exam, kindly provide some short tricks to solve such questions. If u r unabl eto provide short tricks in the solution, then do not provide such type of lengthy wuestions in the mock tests.

Question:

If 2y cosθ = x sin θ and 2x secθ – y cosecθ = 3, then what is x2 + 4y2 equal to?

Options:
A)

1

B)

2

C)

4

D)

8

Solution:

Ans: (c)

  

ravindra

· commented

· 1 Months ago

to find the solution you can put the value of angle as 30,45or60
you will get two equation in terms of x and y. find the values of x and y
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