Math, asked by kiarnrani538, 1 year ago

Find the value of sin30 cos0 +sin45 cos45 +sin60 cos30.


GauthamBhat: ans is 2

Answers

Answered by TheKingOfKings
2

 \frac{1}{2}  \times 1   +  \frac{1}{ \sqrt{2} }  \times  \frac{1}{ \sqrt{2} }  +  \frac{ \sqrt{3} }{2}  \times  \frac{ \sqrt{3} }{2}  \\  \\  \frac{1}{2}  +  \frac{1}{2}  +  \frac{3}{4}  \\  \\ 1 +  \frac{3}{4}  \\  \\  \frac{7}{4}

 \huge \bold{answer =  >  \frac{7}{4} }

Answered by Anonymous
4
\mathfrak{The\:Answer\:is}

sin30 cos0 +sin45 cos45 +sin60 cos30

=(1/2 x 1) + (1/√2 x 1/√2) + (√3/2 x √3/2)

= 1/2 + 1/2 + 3/4

= 7/4

\boxed{Hope\:This\:Helps}
Similar questions