CUET Preparation Today
CUET
General Aptitude Test
Quantitative Reasoning
Trigonometry
cos235° + cos 55° . sin 35° + $\frac{tan 34°}{cot 56°}$ = ____________ .
2
3
4
1
cos235° + cos 55° . sin 35° + $\frac{tan 34°}{cot 56°}$
cos55° = sin35°, tan34°= cot56°
= cos²35° + sin²35° + $\frac{tan34°}{tan34°}$
(cos²A + sin²A = 1)
= 1 + 1 = 2