Home
Class 10
MATHS
If 3 tan A =4 ,then find sin A and cos A...

If 3 tan A =4 ,then find sin A and cos A

Text Solution

Verified by Experts

The correct Answer is:
` sin A =(4)/(5) `
` cos A = (3)/(5) `
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRY

    NCERT GUJARATI|Exercise Exercise -11.2|13 Videos
  • TRIGONOMETRY

    NCERT GUJARATI|Exercise Exercise -11.3|11 Videos
  • TRIGONOMETRY

    NCERT GUJARATI|Exercise THINK AND DISCUSS|12 Videos
  • TANGENTS AND SECANTS TO A CIRCLE

    NCERT GUJARATI|Exercise Try this|2 Videos

Similar Questions

Explore conceptually related problems

If cos A =(12)/( 13), then find sin A and tan A ( A lt 90 ^(@))

If sin A + sin^2 A + sin^3 A = 1 , then find the value of cos^6 A-4 cos^4 A + 8 cos^2 A .

If 3 sin theta + 4 cos theta=5 , then find the value of 4 sin theta-3 cos theta .

In a right angle triangle ABC, right angle is at B ,If tan A=sqrt(3) , then find the value of (i) sin A cos C+ cos A sin C " "(ii) cos A cos C -sin A sin C

If sinA=3/4 , calculate cos A and tan A.

Find x if sqrt3 tan 2x = cos 60° + sin 45° cos 45°

Find the integrals of the functions sin 3x cos 4x

If cot theta=(4)/(3) , then find the value of sin theta,cos theta and cos ectheta in first quadrant. If sin theta+cos ec theta=2 then find the value of sin^(8 )theta+cos ec^(8)theta .

If sin A= 1/3 evaluate cos A cosec A + tan A sec A

Consider the equation 5 sin^2 x + 3 sin x cos x - 3 cos^2 x =2 .......... (i) sin^2 x - cos 2 x =2-sin 2 x ........... (ii) If tan alpha , tan beta satisfy (i) and cos gamma , cos delta satisfy (ii) , then tan alpha * tan beta + cos gamma + cos delta can be equal to