Q. 275.0( 2 Votes )

Mark the correct A. 0

B. 1

C. 1/2

D. not defined

Answer :

tan 1° tan 2° tan 3° ... tan 89° = tan (90° - 89° ) tan(90° - 88° ) tan(90° - 87°) ... tan(90° - 46° ) tan 45° tan 46° …. tan 89°


= cot 89° cot 88° cot 87° ….. cot 46° tan 45° tan 46° ….. tan 89°


( tan(90° - θ ) = cot θ )



= tan 45°


= 1

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses
RELATED QUESTIONS :

True and False<brMathematics - Exemplar

Find the values oRD Sharma - Mathematics

Prove that :
<
RD Sharma - Mathematics

The value of cos<Mathematics - Exemplar

The value of sin Mathematics - Exemplar

cos 2θ cos 2<spanMathematics - Exemplar

The value of <spaMathematics - Exemplar

If <span lang="ENMathematics - Exemplar

If <span lang="ENMathematics - Exemplar

Fill in the blankMathematics - Exemplar