If cos 63° 36' = 0.4446, the value of sin 26° 24' is :
1
1 + 0.4446
0.4446
1 - 0.4446
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Given,
⇒ cos 63° 36' = 0.4446
⇒ cos (90° - 26° 24') = 0.4446
⇒ sin 26° 24' = 0.4446
Hence, Option 3 is the correct option.
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If cos 62° 40' = x, the value of 1 + sin2 27° 20' is :
1 + x2
1 - x2
x2 - 1
1 + x
Use tables to find sine of :
(i) 21°
(ii) 34° 42'
(iii) 47° 32'
(iv) 62° 57'
Use tables to find cosine of :
(i) 2° 4'
(ii) 8° 12'
(iii) 26° 32'
(iv) 65° 41'