Home
Class 10
MATHS
If sin A = 3/4 calculate cos A and tanA....

If sin A = `3/4` calculate cos A and tanA.

Text Solution

Verified by Experts

The correct Answer is:
`(3)/(sqrt(7))`
Promotional Banner

Topper's Solved these Questions

  • INTRODUCTION TO TRIGONOMETRY

    SWAN PUBLICATION|Exercise Exercise 8.2|11 Videos

  • INTRODUCTION TO TRIGONOMETRY

    SWAN PUBLICATION|Exercise Exercise 8.2 (Choose the correct option and justify your choice) |4 Videos

  • COORDINATE GEOMETRY

    SWAN PUBLICATION|Exercise EXERCISE 7.4|11 Videos

  • PAIR OF LINEAR EQUATIONS IN TWO VARIABLES

    SWAN PUBLICATION|Exercise EXERCISE 3.7|11 Videos

Similar Questions

Explore conceptually related problems

If tan theta=12/5 , calculate sin theta , cos theta and verify sin^2theta+cos^2theta .

Prove the following : (sin11 A sin A +sin 7A sin 3A)/ (cos11A sin A + cos 7A sin3A)= tan 8A .

Solve sqrt(3) cos theta-3 sin theta =4 sin 2 theta cos 3 theta .

Prove that : sin 4A=4 sinA cos^3 A- 4 cosA sin^3 A .

In a DeltaABC,3 sin A+4 cos B=6 and 3 cos A+4 sinB=1 , then angleC can be

The displacement of an elastic wave is given by the function y=3sin omegat+4 cos omegat where y is in cm and t is in second. Calculate the resultant amplitude.

If in DeltaABC, tan A+tanB+tanC=6 and tanA tanB=2 , then sin^(2)A:sin^(2)B:sin^(2)C is

When the determinant |{:(cos2x,,sin^(2)x,,cos4x),(sin^(2)x,,cos2x,,cos^(2)x),(cos4x,,cos^(2)x,,cos 2x):}| expanded in powers of sin x, then the constant term in that expression is

If A+B = alpha and sin A =k sin B , show that : tanA= (k sin alpha)/(1+k cos alpha) .

Prove that: (cos 2A cos 3A-cos 2A cos 7A + cos A cos 10A)/(sin 4A sin 3A -sin 2A sin 5A + sin 4A sin 7A)= cot 6A cot 5A .