Cofunctions
Find the cofunction of sin 48 °
cos 42 °
Given that sin \theta =-3/4
and theta is in the third quadrant, find cos \theta
-\sqrt{7} /4
Find the reference angle for 258°
78°
find the value of cos 34^{\circ}-sin 56^{\circ}+10
10
Find the cofunction of csc 85.5 °
sec 4.5 °
given cos \theta = 5/7 and \theta is an acute angle, find tan \theta
(2\sqrt{6})/5
Find the reference angle for -161°.
19°
Simplify the trigonometric expression using the trig identities:
((1-sin^2 theta)/sin^2 theta)
cot ^2 theta ?
What is the cofunction of cos (\pi/3) ?
sin (\pi/6)
Find sin\theta given the coordinate (2, -3)
(-3√13)/13
Find the reference angle for a rotation of (5\pi)/6
\pi/6
Simplify the trigonometric expression using the trig identities:
(cos theta csc theta)/ cot theta
1 ?
What is the cofunction of tan ((2\pi)/7) ?
cot ((3\pi)/14)
Find cot\theta given the coordinate (-√11, √23)
-\sqrt{253}/23
Find the reference angle for -(15\pi)/4
\pi/4
Express
cot \theta csc \theta in terms of cos\theta
cos \theta /(1-cos^2\theta)
What is the cofunction of sec ((5\pi)/17)?
csc ((7\pi)/34)
Given tan \theta = 5/3 find sin \theta
(5\sqrt{34})/34
Find the reference angle for a rotation of 863°.
37∘
Simplify cos^3 \theta tan^2\theta+cos^2\theta/sec\theta
cos\theta