Home
Class 11
MATHS
If sin theta =(15)/(17) " and cos ...

If sin `theta =(15)/(17) " and cos " phi = (12)/(13)` where `theta " and " phi` both lie in the first quadrant find the values of
`(i) " sin " (theta + phi) " " (ii) " cos " (theta - phi) " " (iii) " tan " ( theta + phi)`

Promotional Banner

Similar Questions

Explore conceptually related problems

If " sin " theta =(3)/(5) " and cos " phi =(-12)/(13) " where " theta " and " phi both lie in the second quadrant find the values of (i) " sin ' (theta- phi) " " (ii) " cos " (theta + phi) " " (iii) " tan " (theta - phi)

If cos theta =(4)/(5) " and cos " phi =(12)/(13) " where " theta " and " phi both lie in the fourth quadrant find the values of (i) " cos " (theta + phi) " " (ii) " sin " (theta -phi) " ' (iii) " tan " (theta + phi)

If theta and phi lie in the first quadrant such that sin theta =(8)/(17) "and cos " phi =(12)/(13) find the values of (i) " sin"(theta- phi) " "(ii) " cos " (theta + phi) " " (iii) " tan " (theta - phi)

If "sin" theta=(3)/(5),cos phi=-(12)/(13) , where theta and phi both lie in second quadrant, find the value of "sin"(theta+phi) .

If sin theta = 3/5, tan phi = 8/15 " and " theta " and " phi " lie in the first and third quadrants respecitively, find " cosec(theta + phi)

If sin theta+sin phi=(1)/(4) and cos theta+cos phi=(1)/(5) then value of sin(theta+phi) is

If sin 2 theta+sin 2 phi=(1)/(2) and cos 2 theta+cos 2 phi=(3)/(2) then cos ^(2)(theta-phi)=

If sin theta+ sin phi= a and cos theta+ cos phi= b , find : cos (theta- phi) .

(sin (theta + phi))/( sin theta cos phi) = cot theta tan phi +1.

Find cos( theta + phi) " where " theta " and " phi " are acute angles and " sin theta = 4/5 " and " sin phi = 3/5.