If angleA and angleB are acute angles su...

If `angleA` and `angleB` are acute angles such that cos A = cos B, then show that `angleA = angleB`

INTRODUCTION TO TRIGONOMETRY
KUMAR PRAKASHAN|Exercise EXERCISE 8.2|15 Videos
INTRODUCTION TO TRIGONOMETRY
KUMAR PRAKASHAN|Exercise EXERCISE 8.3|11 Videos
INTRODUCTION TO TRIGONOMETRY
KUMAR PRAKASHAN|Exercise Practice Thoroughly|19 Videos
COORDINATE GEOMETRY
KUMAR PRAKASHAN|Exercise Objective Questions (True or false)|5 Videos
PAIR OF LINEAR EQUATIONS IN TWO VARIABLES
KUMAR PRAKASHAN|Exercise Test Your Skills|48 Videos

Similar Questions

Explore conceptually related problems

In Delta ABC and Delta XYZ , "if " angle A and angle X are acute angles such that cos A =cos X then show that angle A = angle X

If A, B and C are angles of a triangle such that angleA is obtuse, then show tan B tan C lt 1.

If tan A =cot B where A and B are acute angles prove that A+B= 90 ^(@)

angleA and angleB are complementary angles. If angleA=angleB+20^(@) , find angleA and angleB

angleA and angleB are supplementary angles. If 4angleA=5angleB , find angleA and angleB .

angleA and angleB are supplementary angles. If angleA:angleB=7:8 , find angleA and angleB .

In a triangle ABC, sin A- cos B = Cos C , then angle B is

If A, B and C are interior angles of a triangle ABC, then show that sin((B+C)/2)=cos(A/2)

In DeltaABC , the bisectors of angleB and angleC intersect each other at O. Prove that. angleBOC=90^(@)+(1)/(2)angleA .

angleA and angleB are complementary angles. If angleA=x+20^(@) and angleB=x-10^(@) , find angleA and angleB .