Maths / Introduction to Trigonometry / Trigonometric ratios for 90 degrees

QUESTION
 

In a large Delta PQR,angle Q=90^o  then value of large sin(P+R) is :

OPTIONS
A. 

0

B. 

1

C. 

frac {1}{2}

D. 

frac {sqrt {3}}{2}

Right Option : B

EXPLANATION
Explain TypeExplanation Content
Text

Sin(P + R) = sin(180 - Qq) = sin(180 - 90) = sin(90) = 1

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