Question

AC is near
1. Evaluate the following:
(1) sin 60° cos 30° + sin 30° cos 60°
og 150​

Answer 1

Answer:

the answer of the question is one

Answer 2

Step-by-step explanation:

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$\Longrightarrow \: \sin(60) \times \cos(30) + \sin(30) + \cos(60) \\ \Longrightarrow \: \sin(60) = { { \frac{ \sqrt{3} }{2} } } \\ \Longrightarrow \sin(30) = \frac{1}{2} \\ \Longrightarrow \cos(30) = \frac{ \sqrt{3} }{2} \\ \Longrightarrow \: \cos(60) = \frac{1}{2}$

==> NOW BY PUTTING VALUES IN THE ABOVE QUESTION WE GET:--

$\Longrightarrow \: \sin(60) \times \cos(30) + \sin(30) \times \cos(60) \\ \Longrightarrow \: \Bigg(\frac{ \sqrt{3} }{2} \times \frac{ \sqrt{3} }{2} \Bigg)+ \Bigg( \frac{1}{2} \times \frac{1}{2} \Bigg) \\ \Longrightarrow \: \bigg( \frac{3}{4} \bigg) + \bigg( \frac{1}{4} \bigg) \\ \Longrightarrow \: \bigg( \frac{3 + 1}{4} \bigg) \\ \Longrightarrow \: \bigg( \frac{4}{4} \bigg) \: \: \Longrightarrow \: 1$

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==> TIPS TO SOLVE THESE TYPE OF QUESTIONS EASILY :---

a) TO SOLVE THESE TYPE OF PROBLEMS YOU SHOULD MUST KNOW VALUE OF SIN, COS AND TAN.

b) PRECISE CALCULATION IS MUST TO AVOID ERROR IN ANSWER

C) DON'T GET CONFUSED IN THE VALUES OF SIN,COS AND TAN......

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- STAY BRAINLY..