Question

sin 28° 54' + cos 28° 54, upon sec 61° 6, + cosec 61° 6' answer ​

Answer 1

Answer:

If x = 30°, 2x will be 60°.

now, 60° + 3y = 180° (Linear pair)

3y = 120°

y = \large \frac{120}{3}

3

120

so, y = 40°