defence exam CISF Head Constable Ministerial (HCM) & ASI Steno Mock Test Series Quantitative Aptitude Trigonometry Trigonometric Ratios and Identities
What is the value of
sin 24° sin66° - cos24° cos66° + tan24° tan 66° - cot 24° cot 66° ?
1
0
2
1
3
2
4
3