Question

SE
i) Without using trigonometric tables find the value
of 3 sin? 45° + 2 cos60°
​

Answer 1

Answer:

=(3√2+2)/2

Step-by-step explanation:

=3*sin 45+2 cos 60

=(3*1/√2)+2*1/2

=(3/√2)+1

=(3/√2)+1

=(3+√2)/√2

Rationalising the denominator

=(3√2+2)/2