Q2 of 113 Page 547

Find the values of all trigonometric functions of 1350

Sin135° = sin(180° - 45°) …….....(using sin(180° - x) = sinx)


Cos135° = cos(180° - 45°) .….…..(using cos(180° - x) = - cosx)



Tan135° =


Cosec135° =


Sec135° =


Cot135° =


More from this chapter

All 113 →
10 C

Prove that


 1

Find the value of

(i) cos 8400


(ii) sin 8700


(iii) tan ( - 1200)


(iv) sec ( - 4200)


(v) cosec ( - 6900)


(vi) tan (2250)


(vii) cot ( - 3150)


(viii) sin ( - 12300)


(ix) cos (4950)


 3

Prove that

(i)


(ii)


(iii)


(iv)


(v)


4

Prove that

(i)


(ii)