Maths / Introduction to Trigonometry / Trigonometric ratios for 45 degrees

QUESTION
 

For an actue Theta ,sin: : Theta +cos: : Theta takes the greatest value when Theta is

OPTIONS
A. 

30^o

B. 

45^o

C. 

60^o

D. 

90^o

Right Option : B

EXPLANATION
Explain TypeExplanation Content
Text

sin;45^0= frac{1}{sqrt2}

cos;45^0= frac{1}{sqrt2}sin45^0 +cos;45^0= frac{1}{sqrt2}+ frac{1}{sqrt2}= frac{2}{sqrt2}= sqrt2

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