Q8 of 44 Page 80

Prove that:




∴ LHS =


cos60°



RHS =








∴ LHS = RHS


Hence Proved


More from this chapter

All 44 →
6

Prove that:

cos60° = 2 cos230° – 1

 7

Prove that:

 9

Prove that:

(sin45° + cos45°)2 = 2

 10

Prove that:

4 tan30° sin45° sin60° sin90° = √2