Question

Evaluate:
sin²37 + sin²53 - tan²30​

Answer 1

Answer:

HEre Is UR AnswER:

sin²37+sin²53 - tan²30

= sin²37+sin²(90-37) - tan²30

= sin²37+cos²37 - tan²30

= 1 - tan²30

STuDY WeLL.....

Answer 2

Step-by-step explanation:

(i) sin60∘cos30∘+sin30∘cos60∘

(ii)2tan245∘+cos230∘−sin260∘

(iii) cos45∘sec30∘+cosec 30∘

(iv)sin30∘+tan45∘−cosec 60∘sec30∘+cos60∘+cot45∘

(v) 5cos260∘+4sec230∘−tan245∘sin230∘+cos230∘