Question

prove that 4 tan square 45 degrees- cosec square 30 degrees + cos square 30 degrees equal to 3 by 4​

Answer 1

Answer:

mark it brainliest...

hope you like it ...

Answer 2

Step-by-step explanation:

$4tan {}^{2} 45 \: - \: cosec {}^{2}30 \: + \: cos {}^{2} 30 \: = \: \frac{3}{4}$

4(1)^2 - (2)^2 + (√3/2)^2 = 3/4

4 - 4 + 3/4 = 3/4

3/4 = 3/4

LHS = RHS

Hence proved