Plese solve 26 31 -
16
2)
1)
16
24. If 2sec2e=tan. +cot• then values of is
4
5
3
a is equal to
25. If cos — cos a cosS, then tan—
4)
2) tan'(ß'2)
1) tan2(a/2)
26. The acute angle ofa rhombus whose side is a mean proportional betweer
its diagonals is
2) 200
i) 150
JEE ADVANCED
Multi Correct Choice Type:
27. cos2A -
1) cos2A - sin2A 2) 2cos2A- 1
3) 300
3) 1 - 2Sin2A
4) 800
I—tana A
4)
Narayana Grouo of