Question

Please solve this question as soon as possible please guys ​

Answer 1

Answer:

i send u the picture of the solution

Answer 2

Answer:

LHS = cos theta= cos 30 = √3/2 [From trigonometric values]

RHS = 1/ √(1 + tan^2 30)

= 1/ √(1+ 1/3)

= 1/ √4/3

= 1 / 2/√3

= √3/2

Hence, LHS = RHS proved!!

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