सोडोवचें cos^210^circ+cos^250^circ-sin40sin80

$$\cos ^ { 2 } 10 ^ { \circ } + \cos ^ { 2 } 50 ^ { \circ } - \sin 40 \sin 80$$

मूल्यांकन करचें

$$0.75000000000000004187107641124196$$

सोडोवणी पांवडे

समस्येंत आशिल्लीं त्रिकोणमिती कार्यां मूल्यांकीत करचीं

$$0.984807753012208 ^ {2} + 0.6427876096865394 ^ {2} - 0.6427876096865393 \cdot 0.984807753012208$$

0.969846310392954075097397035264 मेळोवंक 2 चो 0.984807753012208 पॉवर मेजचो.

$$0.969846310392954075097397035264+0.6427876096865394^{2}-0.6427876096865393\times 0.984807753012208$$

0.41317591116653492029192554775236 मेळोवंक 2 चो 0.6427876096865394 पॉवर मेजचो.

$$0.969846310392954075097397035264+0.41317591116653492029192554775236-0.6427876096865393\times 0.984807753012208$$

1.38302222155948899538932258301636 मेळोवंक 0.969846310392954075097397035264 आनी 0.41317591116653492029192554775236 ची बेरीज करची.

$$1.38302222155948899538932258301636-0.6427876096865393\times 0.984807753012208$$

0.6330222215594889535182461717744 मेळोवंक 0.6427876096865393 आनी 0.984807753012208 गुणचें.

$$1.38302222155948899538932258301636-0.6330222215594889535182461717744$$

0.75000000000000004187107641124196 मेळोवंक 1.38302222155948899538932258301636 आनी 0.6330222215594889535182461717744 वजा करचे.

$$0.75000000000000004187107641124196$$

गुणकपद

$$\frac{4357 \cdot 35869 \cdot 84349 \cdot 88037 \cdot 461599 \cdot 35001319}{2 ^ {30} \cdot 5 ^ {32}} = 0.75$$