Ask a New Question

Question

2Sin tita+2Cos tita=1.5.find tita
9 years ago

Answers

Steve
That's <b>theta</b> not tita

For ease of typing, I'll just use x.

2sinx + 2cosx = 1.5
sinx + cosx = 3/4

Now, since sin 45° = cos 45° = 1/√2,

sinx + cosx = √2 sin(x+45°)

Now we have

sin(x+45°) = 3/(4√2) = 0.53033
x+45° = 32°
x = -13°

You probably want values in [0,360°), so

x = 193° or 347°
9 years ago

Related Questions

A preseason game Tennessee Titans punter A.J. Trapasso hit the giant HD TV screen suspended above th... A hanging wire made out of titanium with diameter 0.080 cm is initially 2.3 m long. When a 78 kg mas... if 3tan tita=4,show that( 4cos tita-sin tita/2cos tita+sin tita)=4/5 if sec tita is 5/4 verify tan tita/1 plus tan^2 tita= sin tita/cosec tita 3sin.square titta - sin tita = 1/4 If 3sin tita - cos tita=0,how do I find the value of 3tan tita=1(0° less than or equal to tita less... Devon spends $55,000 on 55 titanium watches. The watches all cost the same amount. What is the cost... If x=a tan tita and y=b sec tita then Calculate equation COS tita =SIN 40 Saturn’s largest moon is titan shown below which of the following statements about earth and titan i...
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use