Home
Class 11
MATHS
Find the sines and cosines of all angles...

Find the sines and cosines of all angles in the first four quadrants whose tangents are equal to `cos 135^@`

Text Solution

Verified by Experts

`cos135=-1/sqrt2`
`tanp=-1/sqrt2`
`sinp=1/sqrt2`(in second quater)
`=-1/sqrt2`( in fourth quater)
`cos(P)=-1/sqrt2`(in second quadrent)
`=1/sqrt2`( in fourth quadrent).
Promotional Banner

Similar Questions

Explore conceptually related problems

Find the sine and cosine of angle theta shown in the unit circle if coordinate of point p are as shown.

Find the sine and cosine of angle theta shown in the unit circle if coordinate of point p are as shown.

Find the sine and cosine of angle theta shown in the unit circle if coordinate of point p are as shown.

Find the direction cosines of a line which makes equal angles with the coordinate axes.

Find the direction cosines of a line which makes equal angles with the coordinate axes.

Find the direction cosines of a line which makes equal angles with the coordinate axes.

Find the direction cosines of a line which makes equal angles with the coordinate axes.

Find the direction cosines of a vector which makes equal angles with the axes.

Find the direction cosine of a line which makes equal angles with the co-ordinate axes.

Find the direction cosine of a line which makes equal angles with the co-ordinate axes.