√32
-√32
−12
12
Correct answer is D
Sin(-690o) = Sin(-360 -3300
sin - 360 = sin 0
∴ sin(-690o) = sin(330o)
Negative angles are measured in clockwise direction
The acute angle equivalent of sin(-330o) = sin(30o)
sin(-330o) = sin(30o)
= 12
= 0.5
An arc of a circle of radius 14cm subtends angle 300° at the centre. Find the perimeter of the s...
If (2√3−√2)(√3+2√2)=m+n√6, find the values of m and n ...
Calculate the variance of 2, 3, 3, 4, 5, 5, 5, 7, 7 and 9 ...
PQRT is square. If x is the midpoint of PQ, Calculate correct to the nearest degree, LPXS...
Evaluate n2+1Cn+5 if n = 3 ...
Without using tables, find the value of \(\frac{\sin 20°}{\cos 70°} + \frac{\cos 25°}{\s...
If cosθ = ab, find 1 + tan2θ...
P and Q are fixed points and X is a variable point which moves so that angle PXQ = 45o. What is...