Plese solve 26

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

Dear student,
Mean proportional means:- The square root (such as x) of the product of two numbers (such as a and b) when expressed as the means of a proportion (such as a/x = x/b)

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