Question

(iv) sin 135º - cos 45º + tan 135° + cosec 150 = 1​

Answer 1

Answer:

1/√2-1/√2+(-1)+2

Step-by-step explanation:

sin135=sin90+45=cos45=1/√2

tan135=tan90+45=-cot45=-1

cosec150=cosec90+60=sec60=2