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प्रश्न
Find the value of the following:
tan 70° 58′ + cos 15° 26′ – sin 84° 59′
उत्तर
tan 70° 58′ = 2.8982
cos 15° 26′ = 0.9639
sin 84° 59′ = 0.9962
tan 70° 58′ + cos 15° 26′ – sin 84° 59′
= 2.8982 + 0.9639 – 0.9962
= 3.8621 – 0.9962
= 2.8659
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